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A tax on sugary drinks can make us healthier. It’s time for Australia to introduce one

<div class="theconversation-article-body"><em><a href="https://theconversation.com/profiles/peter-breadon-1348098">Peter Breadon</a>, <a href="https://theconversation.com/institutions/grattan-institute-1168">Grattan Institute</a> and <a href="https://theconversation.com/profiles/jessica-geraghty-1530733">Jessica Geraghty</a>, <a href="https://theconversation.com/institutions/grattan-institute-1168"><em>Grattan Institute</em></a></em></p> <p>Sugary drinks cause weight gain and <a href="https://www.nature.com/articles/s41574-021-00627-6">increase the risk</a> of a range of diseases, including diabetes.</p> <p>The <a href="https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2792842">evidence shows</a> that well-designed taxes can reduce sugary drink sales, cause people to choose healthier options and get manufacturers to reduce the sugar in their drinks. And although these taxes haven’t been around long, there are already signs that they are making people healthier.</p> <p>It’s time for Australia to catch up to the rest of the world and introduce a tax on sugary drinks. As our new Grattan Institute <a href="https://grattan.edu.au/report/sickly-sweet/">report</a> shows, doing so could mean the average Australian drinks almost 700 grams less sugar each year.</p> <h2>Sugary drinks are making us sick</h2> <p>The share of adults in Australia who are obese has tripled since 1980, from <a href="https://theconversation.com/mapping-australias-collective-weight-gain-7816">10%</a> to more than <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/waist-circumference-and-bmi/latest-release">30%</a>, and diabetes is our <a href="https://www.diabetesaustralia.com.au/about-diabetes/diabetes-in-australia/">fastest-growing</a> chronic condition. The costs for the health system and economy are measured in the billions of dollars each year. But the biggest costs are borne by individuals and their families in the form of illness, suffering and early death.</p> <p>Sugary drinks are a big part of the problem. The more of them we drink, the greater our risk of <a href="https://www.nature.com/articles/s41574-021-00627-6">gaining weight</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2963518/">developing type 2 diabetes</a>, and suffering <a href="https://academic.oup.com/eurpub/article/31/1/122/5896049?login=false">poor oral health</a>.</p> <p>These drinks have no real nutrients, but they do have a lot of sugar. The average Australian consumes <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/apparent-consumption-selected-foodstuffs-australia/latest-release">1.3</a> times the maximum recommended amount of sugar each day. Sugary drinks are responsible for more than one-quarter of our daily sugar intake, more than any other major type of food.</p> <p>You might be shocked by how much sugar you’re drinking. Many 375ml cans of soft drink contain eight to 12 teaspoons of sugar, nearly the entire daily recommended limit for an adult. Many 600ml bottles blow our entire daily sugar budget, and then some.</p> <p>The picture is even worse for disadvantaged Australians, who are more likely to have <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/diabetes/latest-release">diabetes</a> and <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/waist-circumference-and-bmi/latest-release">obesity</a>, and who also consume the most sugary drinks.</p> <h2>Sugary drink taxes work</h2> <p>Fortunately, there’s a proven way to reduce the damage sugary drinks cause.</p> <p>More than <a href="https://ssbtax.worldbank.org/">100 countries</a> have a sugary drinks tax, covering most of the world’s population. <a href="https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2792842">Research</a> shows these taxes lead to higher prices and fewer purchases.</p> <p>Some taxes are specifically designed to encourage manufacturers to change their recipes and cut the sugar in their drinks. Under these “tiered taxes”, there is no tax on drinks with a small amount of sugar, but the tax steps up two or three times as the amount of sugar rises. That gives manufacturers a strong incentive to add less sugar, so they reduce their exposure to the tax or avoid paying it altogether.</p> <p>This is the best result from a sugary drinks tax. It means drinks get healthier, while the tax is kept to a minimum.</p> <p>In countries with tiered taxes, manufacturers have slashed the sugar in their drinks. In the United Kingdom, the share of products above the tax threshold <a href="https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1003025">decreased dramatically</a>. In 2015, more than half (52%) of products in the UK were above the tax threshold of 5 grams of sugar per 100ml. Four years later, when the tax was in place, that share had plunged to 15%. The number of products with the most sugar – more than 8 grams per 100ml – declined the most, falling from 38% to just 7%.</p> <p>The Australian drinks market today looks similar to the UK’s before the tax was introduced.</p> <p>Health benefits take longer to appear, but there are already promising signs that the taxes are working. Obesity among primary school-age girls has fallen in <a href="https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1004160">the UK</a> and <a href="https://jamanetwork.com/journals/jamapediatrics/fullarticle/2786784">Mexico</a>.</p> <p>Oral health has also improved, with studies reporting fewer children going to hospital to get their teeth removed in <a href="https://nutrition.bmj.com/content/6/2/243">the UK</a>, and reduced dental decay <a href="https://pubmed.ncbi.nlm.nih.gov/33853058/">in Mexico</a> and <a href="https://www.ajpmonline.org/article/S0749-3797(23)00069-7/abstract">Philadelphia</a>.</p> <p>One <a href="https://www.ajpmonline.org/article/S0749-3797(23)00158-7/fulltext">study from the United States</a> found big reductions in gestational diabetes in cities with a sugary drinks tax.</p> <h2>The tax Australia should introduce</h2> <p>Like successful taxes overseas, Australia should introduce a sugary drink tax that targets drinks with the most sugar:</p> <ul> <li>drinks with 8 grams or more of sugar per 100ml should face a $0.60 per litre tax</li> <li>drinks with 5–8 grams should be taxed at $0.40 per litre</li> <li>drinks with less than 5 grams of sugar should be tax-free.</li> </ul> <p>This means a 250ml Coke, which has nearly 11 grams of sugar per 100ml, would cost $0.15 more. But of course consumers could avoid the tax by choosing a sugar-free soft drink, or a bottle of water.</p> <p>Grattan Institute <a href="https://grattan.edu.au/report/sickly-sweet/">modelling</a> shows that under this tiered tax, Australians would drink about 275 million litres fewer sugary drinks each year, or the volume of 110 Olympic swimming pools.</p> <p>The tax is about health, but government budgets also benefit. If it was introduced today, it would raise about half a billion dollars in the first year.</p> <p>Vested interests such as the beverages industry have fiercely resisted sugary drink taxes around the world, issuing disingenuous warnings about the risks to poor people, the sugar industry and drinks manufacturers.</p> <p>But our new report shows sugary drink taxes have been introduced smoothly overseas, and none of these concerns should hold Australia back.</p> <p>We certainly can’t rely on industry pledges to voluntarily reduce sugar. They have been <a href="https://www.cambridge.org/core/journals/public-health-nutrition/article/trends-in-sugar-content-of-nonalcoholic-beverages-in-australia-between-2015-and-2019-during-the-operation-of-a-voluntary-industry-pledge-to-reduce-sugar-content/EE662DE7552670ED532F6650C9D56939">weak</a> and misleading, and <a href="https://www.theguardian.com/australia-news/2024/apr/10/sugar-increase-in-fanta-and-sprite-prompts-calls-for-new-tax-on-australia-food-and-drinks-industry">failed to stick</a>.</p> <p>It will take many policies and interventions to turn back the tide of obesity and chronic disease in Australia, but a sugary drinks tax should be part of the solution. It’s a policy that works, it’s easy to implement, and most Australians <a href="https://bmjopen.bmj.com/content/9/6/e027962">support it</a>.</p> <p>The federal government should show it’s serious about tackling Australia’s biggest health problems and take this small step towards a healthier future.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/228906/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><em><a href="https://theconversation.com/profiles/peter-breadon-1348098">Peter Breadon</a>, Program Director, Health and Aged Care, <a href="https://theconversation.com/institutions/grattan-institute-1168">Grattan Institute</a> and <a href="https://theconversation.com/profiles/jessica-geraghty-1530733">Jessica Geraghty</a>, Senior Associate, <a href="https://theconversation.com/institutions/grattan-institute-1168">Grattan Institute</a></em></p> <p><em>Image credits: Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/a-tax-on-sugary-drinks-can-make-us-healthier-its-time-for-australia-to-introduce-one-228906">original article</a>.</em></p> </div>

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Julie Goodwin shares her top tips for perfect potatoes every time

<p dir="ltr">Who doesn't love a good, hearty, delicious serving of fluffy and decadent potatoes?</p> <p dir="ltr">Original <em>MasterChef Australia</em> champion Julie Goodwin has shared her ultimate hacks for cooking the perfect potatoes every time, whether they’re mashed, roasted or baked.</p> <p dir="ltr">According to Julie, there are three key things every home cook needs to keep in mind the next time potatoes are on the menu. </p> <p dir="ltr"><strong>Make sure you have the right potatoes </strong></p> <p dir="ltr">Depending on whether you want baked, mashed, roasted, or any other way you want to prepare your potatoes, it all starts in the supermarket. </p> <p dir="ltr">"I find that for things like mashed potatoes and gnocchi and rostis you want a floury potato, so the general rule is dirty potatoes for those things," Julie told <em><a href="https://kitchen.nine.com.au/latest/julie-goodwin-top-three-tips-to-cook-potatoes-robertson-potato-festival/4d16ba12-bf14-4af2-990e-dcf0e89c30ee">9Honey</a></em>.</p> <p dir="ltr">"And then for stuff like potato salads, boiled baby potatoes, and potato bake, it's better to have a waxy potato because they hold their substance better. And those are the ones that are sold clean, so things like the Pontiac and Desiree with the pink skin or the washed potatoes with the white skin."</p> <p dir="ltr">"If you want to use them in an Irish stew to break down and thicken the sauce you've got to use a floury potato," she says. "So tend to your dirty ones."</p> <p dir="ltr">She says that if you're buying a clean, waxy potato, you won't have to peel them since the skin is supposed to be edible.</p> <p dir="ltr">However, if you're buying a dirty, floury potato, then you're going to want to peel the dirt off first and then wash off the residue.</p> <p dir="ltr"><strong>Get those crispy edges </strong></p> <p dir="ltr">As every home cook knows, the key to the perfect roasted potato is for the inside to be soft and fluffy while the outside stays crispy. </p> <p dir="ltr">It can be a tricky balance to master, but Goodwin says there's a simple way to get it right every time.</p> <p dir="ltr">"I like to par boil them before I roast them. Just so that they go a bit fluffy around the edges," she explains. "What happens is those bits go really crispy and lovely."</p> <p dir="ltr"><strong>Let the flavour flow </strong></p> <p dir="ltr">When it comes to seasoning your potatoes, it's hard to know what flavours will suit your dish best. </p> <p dir="ltr">According to Goodwin, more is less when you season potatoes, so it's best to close the spice cabinet.</p> <p dir="ltr">"Salt is absolutely the number one, pepper's beautiful [but] it depends on what the meal is," she says. "So if you're doing a bit of a Portuguese or Spanish inspired meal you might put some paprika on there.”</p> <p dir="ltr">"But I really love rosemary and that's beautiful if you pound that up with your salt and put it on the potatoes that makes it really nice."</p> <p dir="ltr"><em>Image credits: Getty Images / Instagram</em></p>

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People in the world’s ‘blue zones’ live longer – their diet could hold the key to why

<p><em><a href="https://theconversation.com/profiles/justin-roberts-1176632">Justin Roberts</a>, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>; <a href="https://theconversation.com/profiles/joseph-lillis-1505087">Joseph Lillis</a>, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>, and <a href="https://theconversation.com/profiles/mark-cortnage-438941">Mark Cortnage</a>, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a></em></p> <p>Ageing is an inevitable part of life, which may explain our <a href="https://time.com/4672969/why-do-people-want-to-live-so-long/">strong fascination</a> with the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2726954">quest for longevity</a>. The allure of <a href="https://pubmed.ncbi.nlm.nih.gov/26566891/">eternal youth</a> drives a <a href="https://www.alliedmarketresearch.com/longevity-and-anti-senescence-therapy-market-A14010">multi-billion pound industry</a> ranging from anti-ageing products, supplements and <a href="https://www.everydayhealth.com/diet-nutrition/longevity-diet">diets</a> for those hoping to extend their lifespan.</p> <p>f you look back to the turn of the 20th century, average life expectancy in the UK was around 46 years. Today, it’s closer to <a href="https://population.un.org/wpp/">82 years</a>. We are in fact <a href="https://pubmed.ncbi.nlm.nih.gov/27706136/">living longer than ever before</a>, possibly due to medical advancements and improved <a href="https://www.health.org.uk/publications/reports/mortality-and-life-expectancy-trends-in-the-uk">living and working conditions</a>.</p> <p>But living longer has also come at a price. We’re now seeing higher rates of <a href="https://www.who.int/data/gho/data/themes/mortality-and-global-health-estimates/ghe-leading-causes-of-death">chronic and degenerative diseases</a> – with heart disease consistently topping the list. So while we’re fascinated by what may help us live longer, maybe we should be more interested in being healthier for longer. Improving our “<a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4632858/">healthy life expectancy</a>” remains a global challenge.</p> <p>Interestingly, certain locations around the world have been discovered where there are a high proportion of centenarians who display remarkable physical and mental health. The <a href="https://pubmed.ncbi.nlm.nih.gov/15489066/">AKEA study of Sardinia, Italy</a>, as example, identified a “blue zone” (named because it was marked with blue pen), where there was a higher number of locals living in the central-eastern mountainous areas who had reached their 100th birthday compared with the wider Sardinian community.</p> <p>This longevity hotspot has since been expanded, and now includes several other areas around the world which also have greater numbers of longer-living, healthy people. Alongside Sardinia, these blue zones are now <a href="https://www.netflix.com/gb/title/81214929">popularly recognised</a> as: Ikaria, Greece; Okinawa, Japan; Nicoya, Costa Rica; and Loma Linda, California.</p> <p>Other than their long lifespans, people living in these zones also appear to share certain other commonalities, which centre around being <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3874460">part of a community</a>, having a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4224996/">life purpose</a>, eating <a href="https://pubmed.ncbi.nlm.nih.gov/33514872/">nutritious, healthy foods</a>, keeping <a href="https://www.nature.com/articles/s41398-021-01735-7">stress levels</a> low and undertaking purposeful daily <a href="https://pubmed.ncbi.nlm.nih.gov/30202288/">exercise or physical tasks</a>.</p> <p>Their longevity could also relate to their <a href="https://pubmed.ncbi.nlm.nih.gov/9010380/">environment</a>, being mostly rural (or less polluted), or because of <a href="https://pubmed.ncbi.nlm.nih.gov/22253498/">specific longevity genes</a>.</p> <p>However, studies indicate genetics may only account for <a href="https://pubmed.ncbi.nlm.nih.gov/8786073">around 20-25% of longevity</a> – meaning a person’s lifespan is a complex interaction between lifestyle and genetic factors, which contribute to a long and healthy life.</p> <h2>Is the secret in our diet?</h2> <p>When it comes to diet, each blue zone has its own approach – so one specific food or nutrient does not explain the remarkable longevity observed. But interestingly, a diet rich in <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3662288">plant foods</a> (such as locally-grown vegetables, fruits and legumes) does appear to be reasonably consistent across these zones.</p> <p>For instance, the Seventh-day Adventists of Loma Linda are <a href="https://pubmed.ncbi.nlm.nih.gov/10641813/">predominately vegetarian</a>. For centenarians in Okinawa, <a href="https://pubmed.ncbi.nlm.nih.gov/20234038/">high intakes of flavonoids</a> (a chemical compound typically found in plants) from purple sweet potatoes, soy and vegetables, have been linked with <a href="https://pubmed.ncbi.nlm.nih.gov/11710359/">better cardiovascular health</a> – including lower cholesterol levels and lower incidences of stroke and heart disease.</p> <p>In Nicoya, consumption of locally produced rice and beans has been associated with <a href="https://pubmed.ncbi.nlm.nih.gov/34444746/">longer telomere length</a>. Telomeres are the structural part at the end of our chromosomes which protect our genetic material. Our telomeres get shorter each time a cell divides – so get progressively shorter as we age.</p> <p>Certain <a href="https://pubmed.ncbi.nlm.nih.gov/21102320/">lifestyle factors</a> (such as smoking and poor diet) can also shorten telomere length. It’s thought that telomere length acts as a <a href="https://pubmed.ncbi.nlm.nih.gov/31728493/">biomarker of ageing</a> – so having longer telomeres could, in part, be linked with longevity.</p> <p>But a plant-based diet isn’t the only secret. In Sardinia, for example, meat and fish is consumed in moderation in addition to locally grown vegetables and <a href="https://journalofethnicfoods.biomedcentral.com/articles/10.1186/s42779-022-00152-5">traditional foods</a> such as acorn breads, pane carasau (a sourdough flatbread), honey and soft cheeses.</p> <p>Also observed in several blue zone areas is the inclusion of <a href="https://www.jacc.org/doi/10.1016/j.jacc.2021.10.041">olive oil</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/33669360/">wine</a> (in moderation – around 1-2 glasses a day), as well as <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3830687/">tea</a>. All of these contain powerful antioxidants which may help <a href="https://ncbi.nlm.nih.gov/pmc/articles/PMC10049696/">protect our cells</a> from damage <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6273542/">as we age</a>.</p> <p>Perhaps then, it’s a combination of the protective effects of various nutrients in the diets of these centenarians, which explains their exceptional longevity.</p> <p>Another striking observation from these longevity hot spots is that meals are typically <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7232892">freshly prepared at home</a>. Traditional blue zone diets also don’t appear to contain <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6538973/">ultra-processed foods</a>, fast foods or sugary drinks which may <a href="https://pubmed.ncbi.nlm.nih.gov/32330232/">accelerate ageing</a>. So maybe it’s just as important to consider what these longer-living populations are not doing, as much as what they are doing.</p> <p>There also appears to be a pattern of eating until 80% full (in other words partial <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9036399/">caloric reduction</a>. This could be important in also supporting how our cells deal with damage as we age, which could mean a longer life.</p> <p>Many of the factors making up these blue zone diets – primarily plant-based and natural whole foods – are associated with <a href="https://pubmed.ncbi.nlm.nih.gov/35706591/">lower risk of chronic diseases</a> such as <a href="https://pubmed.ncbi.nlm.nih.gov/28728684/">heart disease</a> and <a href="https://pubmed.ncbi.nlm.nih.gov/37589638/">cancer</a>. Not only could such diets contribute to a <a href="https://pubmed.ncbi.nlm.nih.gov/37836577/">longer, healthier life</a>, but could support a more <a href="https://pubmed.ncbi.nlm.nih.gov/33397404/">diverse gut microbiome</a>, which is also associated with healthy ageing.</p> <p>Perhaps then we can learn something from these remarkable centenarians. While diet is only one part of the bigger picture when it comes to longevity, it’s an area we can do something about. In fact, it might just be at the heart of improving not only the quality of our health, but the quality of how we age.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/221463/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><em><a href="https://theconversation.com/profiles/justin-roberts-1176632">Justin Roberts</a>, Professor of Nutritional Physiology, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>; <a href="https://theconversation.com/profiles/joseph-lillis-1505087">Joseph Lillis</a>, PhD Candidate in Nutritional Physiology, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>, and <a href="https://theconversation.com/profiles/mark-cortnage-438941">Mark Cortnage</a>, Senior Lecturer in Public Health and Nutrition, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a></em></p> <p><em>Image credits: Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/people-in-the-worlds-blue-zones-live-longer-their-diet-could-hold-the-key-to-why-221463">original article</a>.</em></p>

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Everything you need to know before you travel to Vietnam

<p dir="ltr">So you’ve booked your flight to Vietnam to experience the best of south-east Asia. </p> <p dir="ltr">When travelling to Vietnam, and other Asian countries, there are a handful of tips and tricks to be aware of to ensure you have a smooth sailing travel experience. </p> <p dir="ltr">In comparison to travelling around Western countries, exploring Vietnam comes with a unique set of circumstances, and being prepared for every situation will make sure your trip is one to remember. </p> <p dir="ltr"><strong>Cash is king</strong></p> <p dir="ltr">When it comes to planning your trip to Vietnam, other than booking your flights, hotels and travel insurance, one of your first priorities should be getting your hands on cash. </p> <p dir="ltr">The Vietnamese Dong is a unique currency to get used to, given that $5 AUD is equal to approximately $82,000 VND. </p> <p dir="ltr">Most of the restaurants, cafes and tourist attractions you’ll be heading to will only accept cash, so make sure you seek out an ATM (most ATMs will let you translate to English) and always have a decent amount of cash on hand. </p> <p dir="ltr"><strong>Go off the beaten track </strong></p> <p dir="ltr">Vietnam has so much more to offer than the major cities. </p> <p dir="ltr">While Hanoi and Ho Chi Minh City have a lot of interesting history, tourist attractions and unique cultural experiences, staying in these cities for the entirety of your Vietnam trip is limiting. </p> <p dir="ltr">Make sure you explore coastal towns such as Hoi An, Hue and Phu Quoc, explore the rolling rice fields of Sapa, and don’t forget to book your cruise around the picturesque Ha Long Bay. </p> <p dir="ltr"><strong>Don't be afraid of the food </strong></p> <p dir="ltr">While Vietnamese food is maybe not what you’re used to eating everyday, part of experiencing a different culture is immersing yourself in the food scene. </p> <p dir="ltr">One of the best things you can do when you arrive at your destination is to book a food tour with a local guide (there are many available through TripAdvisor), to take you around and show you a variety of dishes to become accustomed to. </p> <p dir="ltr">Your food tour guide will also help ease your anxiety over ordering food in different places. </p> <p dir="ltr">Another top tip: Restaurants will often be called the name of the dishes they serve. For example, places that sell the delicious Bahn Mi bread rolls will have “Bahn Mi” in their name. </p> <p dir="ltr"><strong>Google Translate is your friend </strong></p> <p dir="ltr">While your hotel staff will often speak good English, other vendors at restaurants or markets may not be as fluent. </p> <p dir="ltr">Downloading the Google Translate app on your phone will allow you to communicate with locals quickly and easily, by typing in what you want to say in English, and letting the app read out the sentence in Vietnamese. </p> <p dir="ltr">Also, the app’s camera feature lets you hover your smartphone camera over something written in Vietnamese, before translating it into English in seconds. </p> <p dir="ltr"><strong>Beware of scams</strong> </p> <p dir="ltr">One of the most common scams in Vietnam is taxi scams. Some people will claim to be a taxi and then jack up the prices once they take you to your destination. </p> <p dir="ltr">To avoid this, only get in registered taxis (that actually look like taxis and not just a random car), and download Grab, which is the Vietnamese version of Uber and is just as easy to use. </p> <p dir="ltr">Another common scam is for market vendors to hike up prices for food and souvenirs, so be ready to barter for a better price. </p> <p dir="ltr"><strong>Make friends with the locals </strong></p> <p dir="ltr">The Vietnamese people are some of the loveliest, kindest and most accommodating in the world. </p> <p dir="ltr">People on the street, hotel staff and restaurant workers are always happy to help you with queries or concerns, so make the most of their local knowledge and don’t be afraid to approach people with a smile. </p> <p dir="ltr"><em>Image credits: Getty Images </em></p>

International Travel

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Eating some chocolate really might be good for you – here’s what the research says

<p><em><a href="https://theconversation.com/profiles/dan-baumgardt-1451396">Dan Baumgardt</a>, <a href="https://theconversation.com/institutions/university-of-bristol-1211">University of Bristol</a></em></p> <p>Although it always makes me scoff slightly to see Easter eggs making their first appearance in supermarkets at the end of December, there are few people who aren’t delighted to receive a bit of chocolate every year.</p> <p>It makes sense that too much chocolate would be bad for you because of the high fat and sugar content in most products. But what should we make of common claims that eating some chocolate is actually good for you?</p> <p>Happily, there is a fair amount of evidence that shows, in the right circumstances, chocolate may be both beneficial for your heart and good for your mental state.</p> <p>In fact, chocolate – or more specifically cacao, the raw, unrefined bean – is a medicinal wonder. It contains many different active compounds which can evoke pharmacological effects within the body, like medicines or drugs.</p> <p>Compounds that lead to neurological effects in the brain have to be able to cross the <a href="https://link.springer.com/chapter/10.1007/978-3-642-13443-2_7">blood-brain barrier</a>, the protective shield which prevents harmful substances – like toxins and bacteria – entering the delicate nervous tissue.</p> <p>One of these is the compound <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3672386/">theobromine</a>, which is also found in tea and contributes towards its bitter taste. Tea and chocolate also contain caffeine, which theobromine is related to as part of the purine family of chemicals.</p> <p>These chemicals, among others, contribute to chocolate’s addictive nature. They have the ability to cross the blood-brain barrier, where they can influence the nervous system. They are therefore known as <a href="https://pubmed.ncbi.nlm.nih.gov/15549276/">psychoactive</a> chemicals.</p> <figure><iframe src="https://www.youtube.com/embed/HloqayQdR6M?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <p>What effects can chocolate have on mood? Well, <a href="https://academic.oup.com/nutritionreviews/article/71/10/665/1931144?login=false">a systematic review</a> looked at a group of studies which examined the feelings and emotions associated with consuming chocolate. Most demonstrated improvements in mood, anxiety, energy and states of arousal.</p> <p>Some noted the feeling of guilt, which is perhaps something we’ve all felt after one too many Dairy Milks.</p> <h2>Health benefits of cocoa</h2> <p>There are other organs, aside from the brain, that might benefit from the medicinal effects of cocoa. For centuries, chocolate has been used as a medicine to treat a <a href="https://pubmed.ncbi.nlm.nih.gov/10917925/">long list of diseases</a> including anaemia, tuberculosis, gout and even low libido.</p> <p>These might be spurious claims but there is evidence to suggest that eating cacao has a positive effect on the cardiovascular system. First, it can prevent <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8068178/">endothelial dysfunction</a>. This is the process through which arteries harden and get laden down with fatty plaques, which can in turn lead to heart attacks and strokes.</p> <p>Eating dark chocolate may also reduce <a href="https://www.sciencedirect.com/science/article/pii/S1537189115001135?via%3Dihub">blood pressure</a>, which is another risk factor for developing arterial disease, and prevent formation of clots which block up blood vessels.</p> <figure><iframe src="https://www.youtube.com/embed/8VUcPCbSSCY?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <p>Some studies have suggested that dark chocolate might be useful in adjusting ratios of <a href="https://pubmed.ncbi.nlm.nih.gov/20968113/">high-density lipoprotein cholesterol</a>, which can help protect the heart.</p> <p>Others have examined insulin resistance, the phenomenon associated with Type 2 diabetes and weight gain. They suggest that the <a href="https://www.sciencedirect.com/science/article/pii/S0963996900000697#:%7E:text=Cocoa%20is%20rich%20in%20polyphenols%20particularly%20in%20catechins,and%20cocoa%20powder%20have%20been%20published%20only%20recently.">polyphenols</a> – chemical compounds present in plants – found in foodstuffs like chocolate may also lead to <a href="https://pubmed.ncbi.nlm.nih.gov/29993262/">improved control of blood sugars</a>.</p> <h2>Chocolate toxicity</h2> <p>As much as chocolate might be considered a medicine for some, it can be a poison for others.</p> <p>It’s well documented that the ingestion of caffeine and theobromine is highly toxic for domestic animals. Dogs are <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4801869/">particularly affected</a> because of their often voracious appetites and generally unfussy natures.</p> <p>The culprit is often dark chocolate, which can provoke symptoms of agitation, rigid muscles and even seizures. In certain cases, if ingested in high enough quantities, it can lead to comas and abnormal, even fatal heart rhythms.</p> <p>Some of the compounds found in chocolate have also been found to have potentially negative effects in humans. Chocolate is a source of oxalate which, along with calcium, is one of the main components of <a href="https://pubmed.ncbi.nlm.nih.gov/20301742/">kidney stones</a>.</p> <p>Some clinical groups have advised against consuming oxalate rich foods, such as spinach and rhubarb – and chocolate, for those who suffer from recurrent kidney stones.</p> <p>So, what should all this mean for our chocolate consumption habits? Science points in the direction of chocolate that has as high a cocoa solid content as possible, and the minimum of extras. The potentially harmful effects of chocolate are more related to fat and sugar, and may counteract any possible benefits.</p> <p>A daily dose of 20g-30g of plain or dark chocolate with cocoa solids above 70% – rather than milk chocolate, which contains fewer solids and white chocolate, which contains none – could lead to a greater health benefit, as well as a greater high.</p> <p>But whatever chocolate you go for, please don’t share it with the dog.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/226759/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><a href="https://theconversation.com/profiles/dan-baumgardt-1451396"><em>Dan Baumgardt</em></a><em>, Senior Lecturer, School of Physiology, Pharmacology and Neuroscience, <a href="https://theconversation.com/institutions/university-of-bristol-1211">University of Bristol</a></em></p> <p><em>Image credits: Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/eating-some-chocolate-really-might-be-good-for-you-heres-what-the-research-says-226759">original article</a>.</em></p>

Body

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Here’s why having chocolate can make you feel great or a bit sick – plus 4 tips for better eating

<p><em><a href="https://theconversation.com/profiles/saman-khalesi-366871">Saman Khalesi</a>, <a href="https://theconversation.com/institutions/cquniversity-australia-2140">CQUniversity Australia</a></em></p> <p>Australians are <a href="https://www.retail.org.au/media/sweet-spending-boon-predicted-for-easter-retail">predicted</a> to spend around A$1.7 billion on chocolates, hot cross buns and other special foods this Easter season.</p> <p>Chocolate has a long history of production and consumption. It is made from cacao beans that go through processes including fermentation, drying, roasting and grounding. What is left is a rich and fatty liquor that is pressed to remove the fat (cocoa butter) and the cacao (or “cocoa”) powder which will then be mixed with different ingredients to produce dark, milk, white and other types of chocolates.</p> <p>There are several health benefits and potential problems that come in these sweet chocolatey packages.</p> <h2>The good news</h2> <p>Cacao beans contain <a href="https://foodstruct.com/food/cocoa-bean">minerals</a> like iron, potassium, magnesium, zinc and phosphorus and some vitamins. They are also rich in beneficial chemicals called <a href="https://pubmed.ncbi.nlm.nih.gov/23150750/">polyphenols</a>.</p> <p>These are great antioxidants, with the potential to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5465250/">improve heart health</a>, increase <a href="https://pubmed.ncbi.nlm.nih.gov/25164923/">nitric oxide</a> (which dilates blood vessels) and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3488419/">reduce blood pressure</a>, provide food for gut microbiota and <a href="https://www.mdpi.com/2072-6643/12/7/1908">promote gut health</a>, boost the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5465250/">immune system</a> and reduce inflammation.</p> <p>However, the concentration of polyphenols in the chocolate we eat depends largely on the cocoa solid amounts used in the final product.</p> <p>In general terms, the darker the chocolate, the more cocoa solids, minerals and polyphenols it has. For example, dark chocolates may have around <a href="https://www.tandfonline.com/doi/full/10.1080/10942912.2011.614984">seven times more polyphenols</a> compared to white chocolates and <a href="https://www.tandfonline.com/doi/full/10.1080/10942912.2011.614984">three times more polyphenols</a> compared to milk chocolates.</p> <h2>But also some bad news</h2> <p>Unfortunately, the <a href="https://theconversation.com/treat-or-treatment-chocolate-is-good-but-cocoa-is-better-for-your-heart-3084">health benefits of cocoa solids</a> are easily offset by the high sugar and fat content of modern-day chocolates. For example, milk and white chocolate eggs are on average 50% sugar, 40% fat (mostly saturated fats) – which means a lot of added kilojoules (calories).</p> <p>Also, there may be some side effects that come with ingesting chocolate.</p> <p>Cocoa beans include a compound called theobromine. While it has the anti-inflammatory properties responsible for some of the health benefits of chocolate, it is also a mild brain stimulant that acts in a similar way to caffeine. The mood boost it offers may also be partly responsible for how much we <a href="https://www.frontiersin.org/articles/10.3389/fphar.2015.00030/full?crsi=662496658&amp;cicada_org_src=healthwebmagazine.com&amp;cicada_org_mdm=direct">like chocolate</a>. Dark chocolate has higher theobromine compared to milk and white chocolate.</p> <p>But accordingly, overindulging in chocolate (and therefore theobromine) may lead to feeling restless, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3672386/">headaches</a> and nausea.</p> <h2>What else is in your chocolate?</h2> <p>Milk and dairy-based chocolates may also cause stomach upset, abdominal pain and bloating in people with <a href="https://dietitiansaustralia.org.au/health-advice/lactose-intolerance">lactose intolerance</a>. This happens when we don’t produce enough lactase enzymes to digest milk sugar (lactose).</p> <p>People with lactose intolerance can usually tolerate up to 6 grams of lactose without showing symptoms. Milk chocolate can have around <a href="https://www.ncbi.nlm.nih.gov/books/NBK310258/">3 grams of lactose</a> per 40 grams (the size of a standard chocolate bar). So two chocolate bars (or the equivalent in milk chocolate eggs or bunnies) may be enough to cause symptoms.</p> <p>It’s worth noting that lactase enzyme activity dramatically declines as we age, with the highest activity in newborns and children. So lactose sensitivity or intolerance may not be such an issue for your kids and your symptoms may increase over time. Genetics also plays a major role in how sensitive people are to lactose.</p> <p><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6815241/">Allergic reactions</a> to chocolate are usually due to the added ingredients or cross-contamination with potential allergens such as nuts, milk, soy, and some sweeteners used in the production of chocolate.</p> <p>Symptoms can be mild (acne, rashes and stomach pain) or more severe (swelling of the throat and tongue and shortness of breath).</p> <p>If you or your family members have known allergic reactions, make sure you read the label before indulging – especially in a whole block or basket of the stuff. And if you or your family members do experience symptoms of an allergic reaction after eating chocolate, <a href="https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/allergic-reactions-emergency-first-aid">seek medical attention</a> immediately.</p> <h2>4 take home tips</h2> <p>So, if you are like me and have a weakness for chocolate there are a few things you can do to make the experience a good one.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/202848/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <ol> <li>keep an eye out for the darker chocolate varieties with higher cocoa solids. You may notice a percentage on labelling, which refers to how much of its weight is from cocoa beans. In general, the higher this percentage, the lower the sugar. White chocolate has almost no cocoa solid, and mostly cocoa butter, sugar and other ingredients. Dark chocolate has 50–100% cocoa beans, and less sugar. Aim for at least 70% cocoa</li> <li>read the fine print for additives and possible cross-contamination, especially if allergies might be an issue</li> <li>the ingredients list and nutrition information panel should tell you all about the chocolate you choosing. Go for varieties with lower sugar and less saturated fat. Nuts, seeds and dried fruits are better ingredients to have in your chocolate than sugar, creme, syrup, and caramel</li> <li>finally, treat yourself – but keep the amount you have within sensible limits!</li> </ol> <p><em><a href="https://theconversation.com/profiles/saman-khalesi-366871">Saman Khalesi</a>, Postdoctoral Fellow of the National Heart Foundation &amp; Senior Lecturer and Discipline Lead in Nutrition, School of Health, Medical and Applied Sciences, <a href="https://theconversation.com/institutions/cquniversity-australia-2140">CQUniversity Australia</a></em></p> <p><em>Image credits: Getty Images</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/heres-why-having-chocolate-can-make-you-feel-great-or-a-bit-sick-plus-4-tips-for-better-eating-202848">original article</a>.</em></p>

Food & Wine

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How bad is junk food for you, really?

<div> <p>Consuming more junk foods, such as soft drinks, packaged snacks, and sugary cereals, is associated with a higher risk of more than 30 different health problems – both physical and mental – according to researchers.</p> <p>A study, known as an umbrella review, combined the results of 45 previous meta-analyses published in the last three years, representing about 10 million participants.</p> <p>Thirty-two different poor health outcomes were found to be linked to the consumption of ultra-processed foods (UPFs), with varying levels of evidence supporting the findings.</p> <p>The researchers found the most convincing evidence around higher ultra-processed food intake, which was associated with a 50% increased risk of cardiovascular disease-related death, a 48-53% higher risk of anxiety and common mental disorders, and a 12% greater risk of type 2 diabetes.</p> <p>Evidence marked as ‘highly suggestive’ included a 21% increase in death from any cause, a 40-66% increased risk of a heart disease related death, obesity, type 2 diabetes, and sleep problems, as well as a 22% increased risk of depression.</p> <p>The review also found there may be links between ultra-processed food and asthma; gastrointestinal health; some cancers; and other risk factors such as high blood fats and low levels of ‘good’ cholesterol, but the researchers note this evidence is limited.</p> <p>Dr Daisy Coyle from the George Institute for Global Health in Sydney, who was not involved in the research, says the statistics are “staggering.”</p> <p>“Ultra-processed foods, laden with additives and sometimes lacking in essential nutrients, have become ubiquitous in the Australian diet,” she says.</p> <p>“In fact, they make up almost half of what we buy at the supermarket. While not all ultra-processed foods are linked to poor health outcomes, many are, particularly sugary drinks and processed meats.”</p> <div> </div> <p>While the findings are in line with other research that highlights the health risks associated with UPFs, some experts have pointed out that the study is observational, and therefore can’t prove the ultra-processed foods cause these health issues. It can only show an association.</p> <p>“While these associations are interesting and warrant further high-quality research, they do not and cannot provide evidence of causality,” The University of Sydney’s Dr Alan Barclay told the AusSMC.</p> <p>“By their very nature, observational studies are renowned for being confounded by numerous factors – both known and unknown.”</p> <p>Clare Collins, Laureate Professor at the University of Newcastle agreed, but added that it’s difficult to conduct dietary studies like this in a different way.</p> <p>“The studies are observational, which means cause and effect cannot be proven and that the research evidence gets downgraded, compared to intervention studies,” she says.</p> <p>“The problem is that it is not ethical to do an intervention study lasting for many years where you feed people lots of UPF every day and wait for them to get sick and die.”</p> <p>For now, researchers seem to agree that it can’t be a bad thing to minimise UPF intake.</p> <p>The review suggests a need for policies that pull consumers away from ultra-processed foods, such as advertising restrictions, warning labels, bans in schools and hospitals. It also calls for measures that make healthier foods more accessible and affordable.</p> <p>Dr Charlotte Gupta from Central Queensland University suggests that this is issue of accessibility is particularly relevant for shift workers such as doctors, nurses, firefighters, taxi drivers, miners, and hospitality workers.</p> <p>“There is a lack of availability of fresh foods or time to prepare any food, and so ultra-processed foods have to be relied on (e.g. from the vending machine in the hospital),” she said.</p> <p>“This highlights the need for not only individuals to try reducing ultra-processed foods in our diet, but also for public health actions to improve access to healthier foods.”</p> <p><em>Image credits: Shutterstock</em></p> <p><em><a href="https://cosmosmagazine.com/health/how-bad-is-junk-food-for-you-really/">This article</a> was originally published on <a href="https://cosmosmagazine.com">Cosmos Magazine</a> and was written by <a href="https://cosmosmagazine.com/contributor/olivia-henry/">Olivia Henry</a>. </em></p> </div>

Food & Wine

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Restaurant sparks outrage for "ridiculous" fee

<p>As inflation rates continue to rise it is not surprising that restaurants are charging extra fees, but one disgruntled customer was particularly shocked to see this "ridiculous" fee on their bill. </p> <p>The customer, who dined at restaurant and cocktail bar in Georgia, USA shamed the restaurant for charging their customers a $20 fee for “live band entertainment”.</p> <p>They shared their complaints on Reddit with a copy of their receipt and an unexpected fee at the bottom which read: “Two Live Band Entertainment Fee — $20”.</p> <p>Most people in the comments were equally annoyed and called the fee "ridiculous". </p> <p>“This is one of those leave money on the table, hand the waiter a tip and leave, sorry but if I didn’t order it, I’m not paying for it,” one wrote. </p> <p>“Great way to not have repeat customers,” said another.</p> <p>“This will backfire for them, just be honest and upfront," a third added. </p> <p>Other commenters were less sympathetic and did not understand why the customer was complaining when it looked like they could afford it. </p> <p>“When you’re paying seven dollars for a bottle of water, you really don’t get to complain about ‘unexpected costs.’ You knew what you signed up for," one commenter wrote. </p> <p>“Imagine a live band getting paid, huh,” another added. </p> <p>“They’re buying $7 bottles of water, they can probably afford it,” added a third.</p> <p><em>Image: Getty/ Reddit</em></p> <p> </p>

Money & Banking

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Why is gluten-free bread so expensive? A food supply chain expert explains

<p><em><a href="https://theconversation.com/profiles/flavio-macau-998456">Flavio Macau</a>, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a></em></p> <p>Before the cost of living hit Australian families hard, a group of consumers were already paying top dollar for their staples. Whether it be gluten free, dairy free or lactose free, people with special dietary requirements are used to spending more at the supermarket checkout.</p> <p>A 2016 study from the University of Wollongong found that Australians were <a href="https://onlinelibrary.wiley.com/doi/10.1111/1747-0080.12171">paying up to 17% more for a gluten-free diet</a>.</p> <p>Current examples are easy to find. A <a href="https://www.coles.com.au/product/coles-white-bread-650g-4901345">white sandwich loaf at Coles</a> costs A$2.40 (or A$0.37 per 100g), whereas <a href="https://www.coles.com.au/product/coles-i'm-free-from-white-loaf-500g-3216673">the cheapest gluten-free option</a> costs $5.70 (or $1.14 per 100g). That’s over three times as much. Prices are closer comparing Coles Full Cream Milk at A$1.50 per litre with Coles Lactose Free Lite Milk at A$1.60, the exception that confirms the rule.</p> <p>So why are allergen-free products more expensive?</p> <h2>Is it the ingredients?</h2> <p>If manufacturers pay more for ingredients, this is usually reflected in the price of the final product. Regular and gluten-free bread share many common ingredients, but there is a substantial change where wheat flour is replaced by gluten-free flour. This ingredient may cost manufacturers around two times as much given the uniqueness of gluten-free grains, seeds, and nuts. These special ingredients are not as abundant or easy to process as wheat, and are also a bit more difficult to buy in very large scale.</p> <p>For a simple reference, compare <a href="https://www.coles.com.au/product/coles-white-plain-flour-1kg-5881232">regular</a> and <a href="https://www.coles.com.au/product/coles-i'm-free-from-plain-flour-gluten-free-500g-2478197">gluten-free flour</a> at Coles.</p> <p>Gluten, <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/jgh.13703">a complex mixture of hundreds of related but distinct proteins</a>, has unique properties. It is a binding agent that improves texture in recipes. Gluten-free bread therefore needs extra help to, literally, hold it together. Additional items such as thickeners, tapioca and maize starches are added to gluten-free recipes to improve viscosity and keep baked items in shape. That means a longer ingredient list and a slightly more complex manufacturing process.</p> <p>So, from an ingredient perspective, gluten-free bread costs more than regular bread. This applies for other allergen-free products as well. But with so many common ingredients, it is reasonable to say that this is not the main explanation.</p> <h2>Is it manufacturing and transporting?</h2> <p>A substantial part of price differences between regular and allergen-free foods comes from <a href="https://www.investopedia.com/terms/e/economiesofscale.asp">economies of scale</a>. Regular products are manufactured in very large quantities, while allergen-free products involve much smaller volumes.</p> <p>Bulk buying from large suppliers gets you bigger discounts. The more machines in a factory, the cheaper it is to run them. Larger outputs coming from the same place mean smaller costs for each individual product. Given that you have fixed costs to pay anyway, size is king.</p> <p>You pay the same amount for a grain mill regardless of whether you grind one kilo or one tonne of grains a day. Sure, you spend more on electricity or gas, but those are <a href="https://corporatefinanceinstitute.com/resources/accounting/fixed-and-variable-costs/">variable costs</a>.</p> <p>Then, there is the need for rigorous quality control. The United Nations Food and Agriculture Organization has a detailed <a href="https://www.fao.org/fao-who-codexalimentarius/sh-proxy/en/?lnk=1&amp;url=https%253A%252F%252Fworkspace.fao.org%252Fsites%252Fcodex%252FStandards%252FCXC%2B80-2020%252FCXC_080e.pdf">code of practice on food allergen management for food business operators</a>, covering harvesting, handling, storage, transportation, packaging, and more. The <a href="https://www.foodstandards.gov.au/food-standards-code">Australia New Zealand Food Standards Code</a> also sets specific standards.</p> <p>Deep cleaning machines, thoroughly checking that standards are met, and scrapping whole batches when they are not makes manufacturing allergen-free products more complex and expensive. The <a href="https://www.health.wa.gov.au/-/media/Files/Corporate/general-documents/food/PDF/DOHComplianceandEnforcementPolicyVersion3.pdf">implications for non-compliance</a> vary in severity, from a simple recall to a costly infringement notice, plus <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10574315/">reputational damage to consumer trust</a>.</p> <p>It is hard to exactly measure the impact of economies of scale and quality costs on the price of allergen-free products. Each manufacturer will have its own challenges and solutions. But it is reasonable to say a considerable chunk of the difference we see when comparing gluten-free bread with its regular counterpart comes from these factors.</p> <p>Transportation costs follow a similar rule. If it is easier and quicker to fill your trucks with regular products, while allergen-free products have a hard time making a full load, there are disadvantages in the latter.</p> <h2>Is it the marketing strategy?</h2> <p>The final consideration on allergen-free food prices has to do with competition and willingness to pay.</p> <p>A quick search on Coles’ website shows 276 results for “bread” once you remove the 42 items that are gluten-free. That means that there are many more brands and products competing for bread consumers than for gluten-free bread consumers. That’s over six to one! This means customers with dietary restrictions are at a disadvantage as they are beholden to the limited options on offer. As noted by the Australian Competition &amp; Consumer Commission, “<a href="https://www.accc.gov.au/business/competition-and-exemptions/competition-and-anti-competitive-behaviour">competition leads to lower prices and more choice for consumers</a>”.</p> <p>Also, fewer allergen-free products make it to the “own brand” list. Australians are <a href="https://www.news.com.au/finance/money/costs/coles-woolworths-ownbrand-products-booming-on-back-of-costofliving-crisis/news-story/d0be8b8d6e98c0a6477959cd83da17ad">relying more on these when facing the cost-of-living crisis</a>.</p> <p>There is also the <a href="https://online.hbs.edu/blog/post/willingness-to-pay">willingness to pay</a>, where consumers pay more for products deemed as having higher value. <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/obr.13525">Research</a> shows that on average consumers are willing to pay 30% more for food products that they perceive to be healthier.</p> <p>Manufacturers and retailers more often than not will capitalise on that, increasing their profit margins for allergen-free products.</p> <h2>4 tips for saving money if you have allergies</h2> <p>People with dietary requirements looking to ease the cost of their weekly grocery shop should use the same strategies as every savvy consumer:</p> <ul> <li>research prices</li> <li>buy larger quantities where possible</li> <li>keep a keen eye on price reduction and items on sale</li> <li>consider replacing products tagged “allergen-free” with alternatives from other categories, such as going for rice instead of gluten-free pasta in a dish.</li> </ul> <p>In the long run, if more customers choose allergen-free products it could lead to more volume and competition, bringing prices down. <!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/223648/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><a href="https://theconversation.com/profiles/flavio-macau-998456"><em>Flavio Macau</em></a><em>, Associate Dean - School of Business and Law, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a></em></p> <p><em>Image credits: Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/why-is-gluten-free-bread-so-expensive-a-food-supply-chain-expert-explains-223648">original article</a>.</em></p>

Money & Banking

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I want to eat healthily. So why do I crave sugar, salt and carbs?

<p><em><a href="https://theconversation.com/profiles/hayley-oneill-1458016">Hayley O'Neill</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a></em></p> <p>We all want to eat healthily, especially as we reset our health goals at the start of a new year. But sometimes these plans are sabotaged by powerful cravings for sweet, salty or carb-heavy foods.</p> <p>So why do you crave these foods when you’re trying to improve your diet or lose weight? And what can you do about it?</p> <p>There are many reasons for craving specific foods, but let’s focus on four common ones:</p> <h2>1. Blood sugar crashes</h2> <p>Sugar is a key energy source for all animals, and its taste is one of the most basic sensory experiences. Even without specific sweet taste receptors on the tongue, a strong preference for sugar can develop, indicating a mechanism beyond taste alone.</p> <p>Neurons <a href="https://www.nature.com/articles/s41593-021-00982-7">responding to sugar</a> are activated when sugar is delivered to the gut. This can increase appetite and make you want to consume more. Giving into cravings also drives an appetite for more sugar.</p> <p>In the long term, research suggests a high-sugar diet can affect <a href="https://www.bmj.com/content/369/bmj.m2382">mood</a>, digestion and <a href="https://pubmed.ncbi.nlm.nih.gov/33339337/">inflammation</a> in the <a href="https://www.science.org/doi/10.1126/scitranslmed.aay6218?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub%20%200pubmed">gut</a>.</p> <p>While there’s a lot of <a href="https://www.sciencedirect.com/science/article/pii/S0149763402000040?via%3Dihub#aep-section-id23">variation between individuals</a>, regularly eating sugary and high-carb foods can lead to <a href="https://pubmed.ncbi.nlm.nih.gov/30951762/">rapid spikes and crashes</a> in blood sugar levels. When your blood sugar drops, your body can respond by craving quick sources of energy, often in the form of sugar and carbs because these deliver the fastest, most easily accessible form of energy.</p> <h2>2. Drops in dopamine and serotonin</h2> <p>Certain neurotransmitters, such as <a href="https://pubmed.ncbi.nlm.nih.gov/30595479/">dopamine</a>, are involved in the reward and pleasure centres of the brain. Eating sugary and carb-rich foods can trigger the release of dopamine, creating a pleasurable experience and reinforcing the craving.</p> <p>Serotonin, the feel-good hormone, suppresses <a href="https://www.sciencedirect.com/science/article/pii/S1569733910700886">appetite</a>. Natural changes in serotonin can influence daily fluctuations in mood, energy levels and attention. It’s also associated with eating more <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5829131/">carb-rich snacks in the afternoon</a>.</p> <p><a href="https://pubmed.ncbi.nlm.nih.gov/21985780/">Low carb diets</a> may reduce serotonin and lower mood. However, a recent systematic review suggests little association between these diets and risk for <a href="https://www.sciencedirect.com/science/article/pii/S0165032722013933?via%3Dihub">anxiety and depression</a>.</p> <p>Compared to men, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4189179/">women tend to crave more carb rich foods</a>. Feeling irritable, tired, depressed or experiencing carb cravings are part of premenstrual <a href="https://pubmed.ncbi.nlm.nih.gov/29218451/">symptoms</a> and could be <a href="https://www.ncbi.nlm.nih.gov/books/NBK560698/">linked to</a> reduced <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9928757/">serotonin levels</a>.</p> <h2>3. Loss of fluids and drops in blood sugar and salt</h2> <p>Sometimes our bodies crave the things they’re missing, such as hydration or even salt. A low-carb diet, for example, <a href="https://www.ncbi.nlm.nih.gov/books/NBK537084/">depletes</a> insulin levels, decreasing sodium and water retention.</p> <p><a href="https://www.sciencedirect.com/science/article/pii/S1933287419302673">Very low-carb diets</a>, like ketogenic diets, induce “ketosis”, a metabolic state where the body switches to using fat as its primary energy source, moving away from the usual dependence on carbohydrates.</p> <p>Ketosis is often associated with increased urine production, further contributing to potential fluid loss, electrolyte imbalances and salt cravings.</p> <h2>4. High levels of stress or emotional turmoil</h2> <p><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4214609/">Stress</a>, boredom and emotional turmoil can lead to cravings for comfort foods. This is because stress-related hormones can impact our appetite, satiety (feeling full) and food preferences.</p> <p>The stress hormone <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3425607/">cortisol</a>, in particular, can drive cravings for <a href="https://www.sciencedirect.com/science/article/abs/pii/S0306453000000354">sweet comfort foods</a>.</p> <p>A <a href="https://www.sciencedirect.com/science/article/abs/pii/S0306453000000354">2001 study</a> of 59 premenopausal women subjected to stress revealed that the stress led to higher calorie consumption.</p> <p><a href="https://pubmed.ncbi.nlm.nih.gov/37295418/">A more recent study</a> found chronic stress, when paired with high-calorie diet, increases food intake and a preference for sweet foods. This shows the importance of a healthy diet during stress to prevent weight gain.</p> <h2>What can you do about cravings?</h2> <p>Here are four tips to curb cravings:</p> <p><strong>1) don’t cut out whole food groups.</strong> Aim for a well-balanced diet and make sure you include:</p> <ul> <li> <p><em>sufficient protein</em> in your meals to help you feel full and reduce the urge to snack on sugary and carb-rich foods. Older adults should aim for 20–40g protein per meal with a particular focus on <a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/jhn.12838">breakfast and lunch</a> and an overall daily protein intake of at least <a href="https://apps.who.int/iris/handle/10665/43411">0.8g</a> per kg of body weight for <a href="https://pubmed.ncbi.nlm.nih.gov/35187864/">muscle health</a></p> </li> <li> <p><em>fibre-rich foods</em>, such as vegetables and whole grains. These make you feel full and <a href="https://pubmed.ncbi.nlm.nih.gov/32142510/">stabilise your blood sugar</a> levels. Examples include broccoli, quinoa, brown rice, oats, beans, lentils and bran cereals. Substitute refined carbs high in sugar like processed snack bars, soft drink or baked goods for more complex ones like whole grain bread or wholewheat muffins, or nut and seed bars or energy bites made with chia seeds and oats</p> </li> </ul> <p><strong>2) manage your stress levels.</strong> Practise stress-reduction techniques like meditation, deep breathing, or yoga to manage emotional triggers for cravings. Practising <a href="https://pubmed.ncbi.nlm.nih.gov/30570305/">mindful eating</a>, by eating slowly and tuning into bodily sensations, can also reduce daily calorie intake and curb cravings and stress-driven eating</p> <p><strong>3) get enough sleep.</strong> Aim for <a href="https://pubmed.ncbi.nlm.nih.gov/33054337/">seven to eight</a> hours of quality sleep per night, with a minimum of seven hours. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9031614/">Lack of sleep</a> can disrupt hormones that regulate hunger and cravings</p> <p><strong>4) control your portions.</strong> If you decide to indulge in a treat, control your portion size to avoid overindulging.</p> <p>Overcoming cravings for sugar, salt and carbs when trying to eat healthily or lose weight is undoubtedly a formidable challenge. Remember, it’s a journey, and setbacks may occur. Be patient with yourself – your success is not defined by occasional cravings but by your ability to manage and overcome them.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/212114/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><em><a href="https://theconversation.com/profiles/hayley-oneill-1458016">Hayley O'Neill</a>, Assistant Professor, Faculty of Health Sciences and Medicine, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a></em></p> <p><em>Image credits: Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/i-want-to-eat-healthily-so-why-do-i-crave-sugar-salt-and-carbs-212114">original article</a>.</em></p>

Food & Wine

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We looked at 700 plant-based foods to see how healthy they really are. Here’s what we found

<p><em><a href="https://theconversation.com/profiles/laura-marchese-1271636">Laura Marchese</a>, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a> and <a href="https://theconversation.com/profiles/katherine-livingstone-324808">Katherine Livingstone</a>, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a></em></p> <p>If you’re thinking about buying plant-based foods, a trip to the supermarket can leave you bewildered.</p> <p>There are plant-based burgers, sausages and mince. The fridges are loaded with non-dairy milk, cheese and yoghurt. Then there are the tins of beans and packets of tofu.</p> <p>But how much is actually healthy?</p> <p>Our nutritional audit of more than 700 plant-based foods for sale in Australian supermarkets has just been <a href="https://www.sciencedirect.com/science/article/pii/S0889157524000516">published</a>. We found some products are so high in salt or saturated fat, we’d struggle to call them “healthy”.</p> <h2>We took (several) trips to the supermarket</h2> <p>In 2022, we visited two of each of four major supermarket retailers across Melbourne to collect information on the available range of plant-based alternatives to meat and dairy products.</p> <p>We took pictures of the products and their nutrition labels.</p> <p>We then analysed the nutrition information on the packaging of more than 700 of these products. This included 236 meat substitutes, 169 legumes and pulses, 50 baked beans, 157 dairy milk substitutes, 52 cheese substitutes and 40 non-dairy yoghurts.</p> <h2>Plant-based meats were surprisingly salty</h2> <p>We found a wide range of plant-based meats for sale. So, it’s not surprising we found large variations in their nutrition content.</p> <p>Sodium, found in added salt and which contributes to <a href="https://www.heartfoundation.org.au/bundles/healthy-living-and-eating/salt-and-heart-health">high blood pressure</a>, was our greatest concern.</p> <p>The sodium content varied from 1 milligram per 100 grams in products such as tofu, to 2,000mg per 100g in items such as plant-based mince products.</p> <p>This means we could eat our entire <a href="https://www.betterhealth.vic.gov.au/health/healthyliving/salt">daily recommended sodium intake</a> in just one bowl of plant-based mince.</p> <p>An <a href="https://www.tandfonline.com/doi/full/10.1080/09637486.2022.2137786">audit</a> of 66 plant-based meat products in Australian supermarkets conducted in 2014 found sodium ranged from 316mg in legume-based products to 640mg in tofu products, per 100g. In a <a href="https://www.mdpi.com/2072-6643/11/11/2603">2019 audit</a> of 137 products, the range was up to 1,200mg per 100g.</p> <p>In other words, the results of our audit seems to show a consistent trend of plant-based meats <a href="https://www.tandfonline.com/doi/full/10.1080/09637486.2022.2137786">getting saltier</a>.</p> <h2>What about plant-based milks?</h2> <p>Some 70% of the plant-based milks we audited were fortified with calcium, a nutrient important for <a href="https://www.betterhealth.vic.gov.au/health/healthyliving/calcium">bone health</a>.</p> <p>This is good news as a <a href="https://www.mdpi.com/2072-6643/12/5/1254">2019-2020 audit</a> of 115 plant-based milks from Melbourne and Sydney found only 43% of plant-based milks were fortified with calcium.</p> <p>Of the fortified milks in our audit, almost three-quarters (73%) contained the <a href="https://www.eatforhealth.gov.au/food-essentials/five-food-groups/milk-yoghurt-cheese-andor-their-alternatives-mostly-reduced-fat">recommended amount of calcium</a> – at least 100mg per 100mL.</p> <p>We also looked at the saturated fat content of plant-based milks.</p> <p>Coconut-based milks had on average up to six times higher saturated fat content than almond, oat or soy milks.</p> <p><a href="https://www.mdpi.com/2072-6643/12/5/1254">Previous audits</a> also found coconut-based milks were much higher in saturated fat than all other categories of milks.</p> <h2>A first look at cheese and yoghurt alternatives</h2> <p>Our audit is the first study to identify the range of cheese and yoghurt alternatives available in Australian supermarkets.</p> <p>Calcium was only labelled on a third of plant-based yoghurts, and only 20% of supermarket options met the recommended 100mg of calcium per 100g.</p> <p>For plant-based cheeses, most (92%) were not fortified with calcium. Their sodium content varied from 390mg to 1,400mg per 100g, and saturated fat ranged from 0g to 28g per 100g.</p> <h2>So, what should we consider when shopping?</h2> <p>As a general principle, try to choose whole plant foods, such as unprocessed legumes, beans or tofu. These foods are packed with vitamins and minerals. They’re also high in dietary fibre, which is good for your gut health and keeps you fuller for longer.</p> <p>If opting for a processed plant-based food, here are five tips for choosing a healthier option.</p> <p><strong>1. Watch the sodium</strong></p> <p>Plant-based meat alternatives can be high in sodium, so look for products that have <a href="https://www.eatforhealth.gov.au/eating-well/how-understand-food-labels/food-labels-what-look">around</a> 150-250mg sodium per 100g.</p> <p><strong>2. Pick canned beans and legumes</strong></p> <p>Canned chickpeas, lentils and beans can be healthy and low-cost <a href="https://www.heartfoundation.org.au/getmedia/71522940-decf-436a-ba44-cd890dc18036/Meat-Free-Recipe-Booklet.pdf">additions to many meals</a>. Where you can, choose canned varieties with no added salt, especially when buying baked beans.</p> <p><strong>3. Add herbs and spices to your tofu</strong></p> <p>Tofu can be a great alternative to meat. Check the label and pick the option with the highest calcium content. We found flavoured tofu was higher in salt and sugar content than minimally processed tofu. So it’s best to pick an unflavoured option and add your own flavours with spices and herbs.</p> <p><strong>4. Check the calcium</strong></p> <p>When choosing a non-dairy alternative to milk, such as those made from soy, oat, or rice, check it is fortified with calcium. A good alternative to traditional dairy will have at least 100mg of calcium per 100g.</p> <p><strong>5. Watch for saturated fat</strong></p> <p>If looking for a lower saturated fat option, almond, soy, rice and oat varieties of milk and yoghurt alternatives have much lower saturated fat content than coconut options. Pick those with less than 3g per 100g.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/222991/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><em><a href="https://theconversation.com/profiles/laura-marchese-1271636">Laura Marchese</a>, PhD Student at the Institute for Physical Activity and Nutrition, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a> and <a href="https://theconversation.com/profiles/katherine-livingstone-324808">Katherine Livingstone</a>, NHMRC Emerging Leadership Fellow and Senior Research Fellow at the Institute for Physical Activity and Nutrition, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a></em></p> <p><em>Image credits: Getty Images</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/we-looked-at-700-plant-based-foods-to-see-how-healthy-they-really-are-heres-what-we-found-222991">original article</a>.</em></p>

Food & Wine

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Foods to avoid if you have acid reflux or digestion issues

<p><strong>What common foods are good and bad for your belly?</strong></p> <p>Foods containing rapidly fermentable carbohydrates called FODMAPs can feed bacteria in the gut and may be responsible for gut inflammation, gas, bloating and other uncomfortable tummy troubles in some people. Cutting back on foods that contain FODMAPs may help improve your digestion and eliminate GI problems.</p> <p>“An anti-inflammatory diet is high in fibre-rich foods, which promote the growth of healthy bacteria in the gut (one way the diet assists to control inflammation),” says registered dietitian Maxine Smith. A FODMAP diet, which is low in fermentable carbohydrates, is low in fibre and may be beneficial for some people with gastrointestinal problems.</p> <p>In general, a low FODMAPs diet isn’t recommended for people unless they have a condition like irritable bowel syndrome that hasn’t responded to other treatments or dietary changes.</p> <p><strong>Watermelon: Avoid</strong></p> <p>This lovely summer treat isn’t as harmless as all the water it contains. Watermelon is high in fructose, fructans and polyols, which are FODMAPs. Remember, the more the FODMAPs, the more potential for tummy trouble in people who are sensitive to them.</p> <p><strong>Fermented foods: Enjoy some, avoid some</strong></p> <p>Some fermented foods are good for your tummy; others can create problems for certain people, according to an article published by Harvard Medical School. Fermented foods include wine, cheese, vinegar, miso, yoghurt, sauerkraut and pickles.</p> <p>In yoghurt, milk is combined with bacteria that break down some of the lactose, so what remains may be easier for your stomach to process. So fermented foods such as yoghurt are often considered “probiotic foods” that are good for your gut. Look for dairy products that are low in lactose and your digestion should be A-OK.</p> <p><strong>Pistachios, cashews, hazelnuts and almonds: Avoid</strong></p> <p>Most nuts are good for your tummy, but pistachios and cashews are high in fructans and GOS (galacto-oligosaccharides), both FODMAPs. Hazelnuts and almonds are a little higher in FODMAPs than some other nuts so eat them in limited quantities (10 nuts or 1 tablespoon of nut butter per serving). Steer clear of almond milk, which is made with large amounts of almonds.</p> <p><strong>Acidic foods: Enjoy with caution</strong></p> <p>In almost every list of “the worst foods for digestion,” you’ll find acidic foods like oranges and tomatoes. These are commonly thought to cause heartburn, but studies have shown that acidic foods don’t have any effect on LES pressure (or pressure on the lower oesophageal sphincter, a valve that acts as the doorway between the oesophagus and the stomach) and don’t cause heartburn symptoms.</p> <p>However, if you have severe acid reflux that hasn’t been treated and has irritated the oesophagus, acidic foods can be like “salt in the wound.” So if you find that oranges or tomatoes do make your heartburn feel worse, replace them with other fruits.</p> <p><strong>Dairy foods: Enjoy some, avoid some</strong></p> <p>Not all dairy foods have equal amounts of lactose, which can cause digestion issues, and even those with lactose intolerance are usually okay with small amounts of lactose. That means that not all milk, cheeses and dairy products are tummy twisters.</p> <p>Hard cheeses, like cheddar, Swiss or Parmesan, generally have less than a gram of lactose per serving. According to the Cleveland Clinic, you may want to avoid dairy such as “chocolate shakes or drinks, milkshakes, whole milk fat yoghurt, whole milk fat (4%) cottage cheese, and full-fat cheese.”</p> <p><strong>Soy foods: Enjoy some, avoid some</strong></p> <p>Whole soybeans (often sold as edamame), like other beans, are a source of GOS, which are hard-to-digest chains of sugars. Tofu and tempeh are made using processes that eliminate some of the GOS, making them easier on your digestion. What about soy milk? It depends.</p> <p>If soy milk is made with only soybean isolates or soy protein, then it should be low in FODMAPs. Soy milk made with whole soybeans is likely a source of GOS, making it a gassy beverage for some, so read the ingredients.</p> <p><strong>Blackberries: Avoid</strong></p> <p>Strawberries, blueberries, blackberries – which is the odd one out here? Blackberries are also rich in antioxidants, but they have sugar alcohols called polyols, which are difficult to digest and can cause some real problems if your stomach is sensitive. (Check out these foods that GI doctors always avoid.)</p> <p><strong>Tomato and tomato products: Enjoy some, avoid some</strong></p> <p>Fresh and canned tomatoes are fine for your tummy. But tomato paste is a concentrated form of tomato that has excess fructose, a FODMAP that makes it a no-no except in small quantities. And tomato sauces? If they’re homemade, they’re fine to eat (just don’t cook it to the point where all the juices are lost).</p> <p>Most commercial sauces have onions and garlic (FODMAPs), added sugar (which may make it carb-dense), and salt (which bloats you), so steer clear of the store-bought variety.</p> <p><strong>Grapefruit: Enjoy with caution</strong></p> <p>Grapefruit does have hard-to-digest fructans, so you should try to limit how much you eat. A few sections should be okay, but don’t eat a half a grapefruit. If you’re looking for citrus, lemon, lime and oranges are your best bets.</p> <p><strong>Milk: Enjoy some, avoid some</strong></p> <p>Most types of animal milk are high in tummy twisting lactose – that means goat’s or sheep’s milk can be just as problematic as cow’s milk. Plant-based milks, such as coconut milk, soy milk or almond milk, are technically not milk at all and generally do not have any lactose.</p> <p>Some, however, including almond milk and soy milk, may contain other FODMAPs that harm your digestion.</p> <p><strong>Corn: Avoid</strong></p> <p>Corn comes in many varieties, such as popcorn, on the cob and in polenta. Fresh sweet corn contains two types of FODMAPs, making corn challenging for some people to digest. Popcorn feels like a light and healthy snack, but it’s actually carb-dense (it has about 64 grams of carbs per 100 grams), which can upset digestion.</p> <p>Whole cornmeal and corn tortillas seem to be better tolerated by most people. Whole grain polenta is also low in FODMAPs. You may need to experiment a little to figure out which corn products work for you. And stick with only limited quantities (up to 1 cup cooked per serving).</p> <p><strong>Common cabbage: Enjoy</strong></p> <p>Cabbage usually makes it on all the lists of foods that make you gassy, but common green cabbage doesn’t deserve that reputation. It’s actually low in FODMAPs and most of us break it down very well.</p> <p>Red cabbage also seems to be well-tolerated, but savoy and napa cabbage is much higher in FODMAPs and should be limited if you tend to suffer from gas and bloating.</p> <p><strong>Hot sauce: Enjoy with caution</strong></p> <p>Tolerance to hot sauce is very individual. It’s more problematic for those with heartburn. If you would like to try some, pick a brand without onion and garlic.</p> <p><em>Image credits: Getty Images </em></p> <p><em>This article originally appeared on <a href="https://www.readersdigest.com.au/healthsmart/conditions/foods-to-avoid-if-you-have-acid-reflux-or-digestion-issues?pages=1" target="_blank" rel="noopener">Reader's Digest</a>.</em></p>

Body

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Mothers’ dieting habits and self-talk have profound impact on daughters − 2 psychologists explain how to cultivate healthy behaviors and body image

<p><em><a href="https://theconversation.com/profiles/janet-j-boseovski-451496">Janet J. Boseovski</a>, <a href="https://theconversation.com/institutions/university-of-north-carolina-greensboro-2069">University of North Carolina – Greensboro</a> and <a href="https://theconversation.com/profiles/ashleigh-gallagher-1505989">Ashleigh Gallagher</a>, <a href="https://theconversation.com/institutions/university-of-north-carolina-greensboro-2069">University of North Carolina – Greensboro</a></em></p> <p>Weight loss is one of the most common health and appearance-related goals.</p> <p>Women and <a href="https://www.cdc.gov/nchs/products/databriefs/db340.htm">teen girls</a> are <a href="https://www.cdc.gov/nchs/products/databriefs/db313.htm">especially likely to pursue dieting</a> to achieve weight loss goals even though a great deal of research shows that <a href="https://theconversation.com/what-thin-people-dont-understand-about-dieting-86604">dieting doesn’t work over the long term</a>.</p> <p>We are a <a href="https://www.duck-lab.com/people">developmental psychologist</a> and a <a href="https://psy.uncg.edu/directory/ashleigh-gallagher/">social psychologist</a> who together wrote a forthcoming book, “Beyond Body Positive: A Mother’s Evidence-Based Guide for Helping Girls Build a Healthy Body Image.”</p> <p>In the book, we address topics such as the effects of maternal dieting behaviors on daughters’ health and well-being. We provide information on how to build a foundation for healthy body image beginning in girlhood.</p> <h2>Culturally defined body ideals</h2> <p>Given the strong influence of social media and other cultural influences on body ideals, it’s understandable that so many people pursue diets aimed at weight loss. <a href="https://communityhealth.mayoclinic.org/featured-stories/tiktok-diets">TikTok</a>, YouTube, Instagram and celebrity websites feature slim influencers and “how-tos” for achieving those same results in no time.</p> <p>For example, women and teens are engaging in rigid and extreme forms of exercise such as 54D, a program to <a href="https://54d.com/">achieve body transformation in 54 days</a>, or the <a href="https://health.clevelandclinic.org/75-hard-challenge-and-rules">75 Hard Challenge</a>, which is to follow five strict rules for 75 days.</p> <p>For teens, these pursuits are likely fueled by trendy body preoccupations such as the desire for “<a href="https://www.nytimes.com/2024/02/06/well/move/tiktok-legging-legs-eating-disorders.html">legging legs</a>.”</p> <p>Women and teens have also been been inundated with recent messaging around <a href="https://theconversation.com/drugs-that-melt-away-pounds-still-present-more-questions-than-answers-but-ozempic-wegovy-and-mounjaro-could-be-key-tools-in-reducing-the-obesity-epidemic-205549">quick-fix weight loss drugs</a>, which come with a lot of caveats.</p> <p>Dieting and weight loss goals are highly individual, and when people are intensely self-focused, it is <a href="https://doi.org/10.1521/jscp.2000.19.1.70">possible to lose sight of the bigger picture</a>. Although women might wonder what the harm is in trying the latest diet, science shows that dieting behavior doesn’t just affect the dieter. In particular, for women who are mothers or who have other girls in their lives, these behaviors affect girls’ emerging body image and their health and well-being.</p> <h2>The profound effect of maternal role models</h2> <p>Research shows that mothers and maternal figures <a href="https://doi.org/10.1016/j.brat.2017.11.001">have a profound influence on their daughters’ body image</a>.</p> <p>The opportunity to influence girls’ body image comes far earlier than adolescence. In fact, research shows that these influences on body image <a href="https://www.teenvogue.com/story/how-toxic-diet-culture-is-passed-from-moms-to-daughters">begin very early in life</a> – <a href="https://doi.org/10.1016/bs.acdb.2016.10.006">during the preschool years</a>.</p> <p>Mothers may feel that they are being discreet about their dieting behavior, but little girls are watching and listening, and they are far more observant of us than many might think.</p> <p>For example, one study revealed that compared with daughters of nondieting women, 5-year-old girls whose mothers dieted <a href="https://doi.org/10.1016/S0002-8223(00)00339-4">were aware of the connection between dieting and thinness</a>.</p> <p>Mothers’ eating behavior does not just affect girls’ ideas about dieting, but also their daughters’ eating behavior. The amount of food that mothers eat <a href="https://doi.org/10.1016/j.appet.2018.04.018">predicts how much their daughters will eat</a>. In addition, daughters whose mothers are dieters are <a href="https://doi.org/10.1016/j.appet.2018.04.018">more likely to become dieters themselves</a> and are also <a href="https://doi.org/10.1016/j.eatbeh.2007.03.001">more likely to have a negative body image</a>.</p> <p>Negative body image is <a href="https://theconversation.com/mounting-research-documents-the-harmful-effects-of-social-media-use-on-mental-health-including-body-image-and-development-of-eating-disorders-206170">not a trivial matter</a>. It affects girls’ and women’s mental and physical well-being in a <a href="https://doi.org/10.1177/1359105317710815">host of ways</a> and <a href="https://doi.org/10.1016/j.brat.2011.06.009">can predict the emergence of eating disorders</a>.</p> <h2>Avoiding ‘fat talk’</h2> <p>What can moms do, then, to serve their daughters’ and their own health?</p> <p>They can focus on small steps. And although it is best to begin these efforts early in life – in girlhood – it is never too late to do so.</p> <p>For example, mothers can consider how they think about and talk about themselves around their daughters. Engaging in “fat talk” may inadvertently send their daughters the message that larger bodies are bad, <a href="https://doi.org/10.1016/j.bodyim.2020.07.004">contributing to weight bias</a> and negative self-image. Mothers’ fat talk also <a href="https://doi.org/10.1080/15267431.2021.1908294">predicts later body dissatisfaction in daughters</a>.</p> <p>And negative self-talk isn’t good for mothers, either; it is associated with <a href="https://doi.org/10.1177/1359105318781943">lower motivation and unhealthful eating</a>. Mothers can instead practice and model self-compassion, which involves treating oneself the way <a href="https://doi.org/10.1016/j.bodyim.2016.03.003">a loving friend might treat you</a>.</p> <p>In discussions about food and eating behavior, it is important to avoid moralizing certain kinds of food by labeling them as “good” or “bad,” as girls may extend these labels to their personal worth. For example, a young girl may feel that she is being “bad” if she eats dessert, if that is what she has learned from observing the women around her. In contrast, she may feel that she has to eat a salad to be “good.”</p> <p>Moms and other female role models can make sure that the dinner plate sends a healthy message to their daughters by showing instead that all foods can fit into a balanced diet when the time is right. Intuitive eating, which emphasizes paying attention to hunger and satiety and allows flexibility in eating behavior, is associated with <a href="https://doi.org/10.1007/s40519-020-00852-4">better physical and mental health in adolescence</a>.</p> <p>Another way that women and especially moms can buffer girls’ body image is by helping their daughters <a href="https://doi.org/10.1016/j.bodyim.2021.12.009">to develop media literacy</a> and to think critically about the nature and purpose of media. For example, moms can discuss the misrepresentation and distortion of bodies, such as the use of filters to enhance physical appearance, on social media.</p> <h2>Focusing on healthful behaviors</h2> <p>One way to begin to focus on health behaviors rather than dieting behaviors is to develop respect for the body and to <a href="https://theconversation.com/body-neutrality-what-it-is-and-how-it-can-help-lead-to-more-positive-body-image-191799">consider body neutrality</a>. In other words, prize body function rather than appearance and spend less time thinking about your body’s appearance. Accept that there are times when you may not feel great about your body, and that this is OK.</p> <p>To feel and look their best, mothers can aim to stick to a <a href="https://theconversation.com/whats-the-best-diet-for-healthy-sleep-a-nutritional-epidemiologist-explains-what-food-choices-will-help-you-get-more-restful-zs-219955">healthy sleep schedule</a>, manage their stress levels, <a href="https://theconversation.com/fiber-is-your-bodys-natural-guide-to-weight-management-rather-than-cutting-carbs-out-of-your-diet-eat-them-in-their-original-fiber-packaging-instead-205159">eat a varied diet</a> that includes all of the foods that they enjoy, and <a href="https://theconversation.com/the-runners-high-may-result-from-molecules-called-cannabinoids-the-bodys-own-version-of-thc-and-cbd-170796">move and exercise their bodies regularly</a> as lifelong practices, rather than engaging in quick-fix trends.</p> <p>Although many of these tips sound familiar, and perhaps even simple, they become effective when we recognize their importance and begin acting on them. Mothers can work toward modeling these behaviors and tailor each of them to their daughter’s developmental level. It’s never too early to start.</p> <h2>Promoting healthy body image</h2> <p>Science shows that several personal characteristics are associated with body image concerns among women.</p> <p>For example, research shows that women who are <a href="https://doi.org/10.1016/j.bodyim.2020.02.001">higher in neuroticism</a> <a href="https://doi.org/10.1186/2050-2974-1-2">and perfectionism</a>, <a href="https://doi.org/10.3389/fpsyg.2022.983534">lower in self-compassion</a> or <a href="https://doi.org/10.1016/j.bodyim.2013.08.001">lower in self-efficacy</a> are all more likely to struggle with negative body image.</p> <p>Personality is frequently defined as a person’s characteristic pattern of thoughts, feelings and behaviors. But if they wish, <a href="https://doi.org/10.1002/per.1945">mothers can change personality characteristics</a> that they feel aren’t serving them well.</p> <p>For example, perfectionist tendencies – such as setting unrealistic, inflexible goals – can be examined, challenged and replaced with more rational thoughts and behaviors. A woman who believes she must work out every day can practice being more flexible in her thinking. One who thinks of dessert as “cheating” can practice resisting moral judgments about food.</p> <p>Changing habitual ways of thinking, feeling and behaving certainly takes effort and time, but it is far more likely than diet trends to bring about sustainable, long-term change. And taking the first steps to modify even a few of these habits can positively affect daughters.</p> <p>In spite of all the noise from media and other cultural influences, mothers can feel empowered knowing that they have a significant influence on their daughters’ feelings about, and treatment of, their bodies.</p> <p>In this way, mothers’ modeling of healthier attitudes and behaviors is a sound investment – for both their own body image and that of the girls they love.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/221968/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><a href="https://theconversation.com/profiles/janet-j-boseovski-451496"><em>Janet J. Boseovski</em></a><em>, Professor of Psychology, <a href="https://theconversation.com/institutions/university-of-north-carolina-greensboro-2069">University of North Carolina – Greensboro</a> and <a href="https://theconversation.com/profiles/ashleigh-gallagher-1505989">Ashleigh Gallagher</a>, Senior Lecturer, <a href="https://theconversation.com/institutions/university-of-north-carolina-greensboro-2069">University of North Carolina – Greensboro</a></em></p> <p><em>Image credits: Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/mothers-dieting-habits-and-self-talk-have-profound-impact-on-daughters-2-psychologists-explain-how-to-cultivate-healthy-behaviors-and-body-image-221968">original article</a>.</em></p>

Mind

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Run out of butter or eggs? Here’s the science behind substitute ingredients

<p><em><a href="https://theconversation.com/profiles/paulomi-polly-burey-404695">Paulomi (Polly) Burey</a>, <a href="https://theconversation.com/institutions/university-of-southern-queensland-1069">University of Southern Queensland</a></em></p> <p>It’s an all too common situation – you’re busy cooking or baking to a recipe when you open the cupboard and suddenly realise you are missing an ingredient.</p> <p>Unless you can immediately run to the shops, this can leave you scrambling for a substitute that can perform a similar function. Thankfully, such substitutes can be more successful than you’d expect.</p> <p>There are a few reasons why certain ingredient substitutions work so well. This is usually to do with the chemistry and the physical features having enough similarity to the original ingredient to still do the job appropriately.</p> <p>Let’s delve into some common ingredient substitutions and why they work – or need to be tweaked.</p> <p><iframe id="IitfH" class="tc-infographic-datawrapper" style="border: none;" src="https://datawrapper.dwcdn.net/IitfH/1/" width="100%" height="400px" frameborder="0"></iframe></p> <h2>Oils versus butter</h2> <p>Both butter and oils belong to a chemical class called <a href="https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Map%3A_Fundamentals_of_General_Organic_and_Biological_Chemistry_(McMurry_et_al.)/23%3A_Lipids/23.01%3A_Structure_and_Classification_of_Lipids">lipids</a>. It encompasses solid, semi-solid and liquid fats.</p> <p>In a baked product the “job” of these ingredients is to provide flavour and influence the structure and texture of the finished item. In cake batters, lipids contribute to creating an emulsion structure – this means combining two liquids that wouldn’t usually mix. In the baking process, this helps to create a light, fluffy crumb.</p> <p>One of the primary differences between butter and oil is that butter is only about 80% lipid (the rest being water), while <a href="https://www.nutritionadvance.com/types-of-cooking-fats-and-oils/">oil is almost 100% lipid</a>. Oil creates a softer crumb but is still a great fat to bake with.</p> <p>You can use a wide range of oils from different sources, such as olive oil, rice bran, avocado, peanut, coconut, macadamia and many more. Each of these may impart different flavours.</p> <p>Other “butters”, such as peanut and cashew butter, aren’t strictly butters but pastes. They impart different characteristics and can’t easily replace dairy butter, unless you also add extra oil.</p> <h2>Aquafaba or flaxseed versus eggs</h2> <p>Aquafaba is the liquid you drain from a can of legumes – such as chickpeas or lentils. It contains proteins, kind of how egg white also contains proteins.</p> <p>The proteins in egg white include albumins, and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5912395/">aquafaba also contains albumins</a>. This is why it is possible to make meringue from egg whites, or from aquafaba if you’re after a vegan version.</p> <p>The proteins act as a foam stabiliser – they hold the light, airy texture in the product. The concentration of protein in egg white is a bit higher, so it doesn’t take long to create a stable foam. Aquafaba requires more whipping to create a meringue-like foam, but it will bake in a similar way.</p> <p>Another albumin-containing alternative for eggs is <a href="https://foodstruct.com/compare/seeds-flaxseed-vs-egg">flaxseed</a>. These seeds form a thick gel texture when mixed with a little water. The texture is similar to raw egg and can provide structure and emulsification in baked recipes that call for a small amount of egg white.</p> <h2>Lemon plus dairy versus buttermilk</h2> <p>Buttermilk is the liquid left over after churning butter – it can be made from sweet cream, cultured/sour cream or whey-based cream. Buttermilk mostly <a href="https://www.journalofdairyscience.org/article/S0022-0302(06)72115-4/fulltext">contains proteins and fats</a>.</p> <p>Cultured buttermilk has a somewhat tangy flavour. Slightly soured milk can be a good substitute as it contains similar components and isn’t too different from “real” buttermilk, chemically speaking.</p> <p>One way to achieve slightly soured milk is by adding some lemon juice or cream of tartar to milk. Buttermilk is used in pancakes and baked goods to give extra height or volume. This is because the acidic (sour) components of buttermilk interact with baking soda, producing a light and airy texture.</p> <p>Buttermilk can also influence flavour, imparting a slightly tangy taste to pancakes and baked goods. It can also be used in sauces and dressings if you’re looking for a lightly acidic touch.</p> <h2>Honey versus sugar</h2> <p>Honey is a <a href="https://resources.perkinelmer.com/lab-solutions/resources/docs/APP_Analysis-of-Sugars-in-Honey-012101_01.pdf">complex sugar-based syrup</a> that includes floral or botanical flavours and aromas. Honey can be used in cooking and baking, adding both flavour and texture (viscosity, softness) to a wide range of products.</p> <p>If you add honey instead of regular sugar in baked goods, keep in mind that honey imparts a softer, moister texture. This is because it contains more moisture and is a humectant (that is, it likes to hold on to water). It is also less crystalline than sugar, unless you leave it to crystallise.</p> <p>The intensity of sweetness can also be different – some people find honey is sweeter than its granular counterpart, so you will want to adjust your recipes accordingly.</p> <h2>Gluten-free versus regular flour</h2> <p>Sometimes you need to make substitutions to avoid allergens, such as gluten – the protein found in cereal grains such as wheat, rye, barley and others.</p> <p>Unfortunately, gluten is also the component that gives a nice, stretchy, squishy quality to bread.</p> <p>To build this characteristic in a gluten-free product, it’s necessary to have a mixture of ingredients that work together to mimic this texture. Common ingredients used are corn or rice flour, xanthan gum, which acts as a binder and moisture holder, and tapioca starch, which is a good water absorbent and can aid with binding the dough. <!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/202036/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><em><a href="https://theconversation.com/profiles/paulomi-polly-burey-404695">Paulomi (Polly) Burey</a>, Associate Professor (Food Science), <a href="https://theconversation.com/institutions/university-of-southern-queensland-1069">University of Southern Queensland</a></em></p> <p><em>Image credits: Shutterstock</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/run-out-of-butter-or-eggs-heres-the-science-behind-substitute-ingredients-202036">original article</a>.</em></p>

Food & Wine

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“Completely tacky”: Bride slammed for asking for dinner payment

<p dir="ltr">A bride has caused a stir online after asking if it is appropriate to ask her wedding guests to pay for their meal when they RSVP to the big day. </p> <p dir="ltr">The woman took to a popular wedding Facebook page to ask the opinions of other brides, sharing an example of her invitation created by her wedding planner. </p> <p dir="ltr">The invitation asks guests to confirm whether or not they will be attending the nuptials, before asking if the guest intends to eat at the wedding ceremony, and which meal they would prefer. </p> <p dir="ltr">The price of each meal was also included: $20 for grilled chicken with rice, mashed potatoes and green beans and $25 for a salmon alternative.</p> <p dir="ltr">“We invite you to eat with us but ask for you to provide your own payment. Please select which meal you'd prefer,” the invite stated. </p> <p dir="ltr">“My wedding venue requires me to purchase food through them for the reception, but has said people sometimes choose this option,” the woman wrote on Facebook. </p> <p dir="ltr">“Nothing about my reception is very typical anyway, SO I'm wondering how insane or rude or cost-effective/smart this is.”</p> <p dir="ltr">“The planner set me this as an example of how to present it to guests.”</p> <p dir="ltr">But when the post was quickly criticised by others, the bride clarified the event was more of a “fun dinner party” rather than a “wedding” as she and her partner had already legally married five months prior. </p> <p dir="ltr">“Ultimately I'll do what I want BUT I did not choose this option. It was only a suggestion from the venue that I was curious about others' opinions on,” she added. </p> <p dir="ltr">“This is for the reception. I'm most definitely not asking for money or gifts and by the time they come to the reception, we will have already been married for five months.”</p> <p dir="ltr">The post was shared in another wedding shaming Facebook group and critiqued by dozens of wedding experts.</p> <p dir="ltr">“Oh hell no! This is completely tacky!” one wrote, another said, “So she asks if it is rude then gets offended when people say it's rude?”</p> <p dir="ltr">“I am a veteran pro planner and would NEVER suggest this!” another said. </p> <p dir="ltr">Someone else wrote, “I'm especially shaming the venue for suggesting that people often pawn off the cost of dinner to their guests. Encouraging rude behaviour.”</p> <p dir="ltr"><em>Image credits: Getty Images / Facebook</em></p>

Food & Wine

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Your unique smell can provide clues about how healthy you are

<p><em><a href="https://theconversation.com/profiles/aoife-morrin-1478132">Aoife Morrin</a>, <a href="https://theconversation.com/institutions/dublin-city-university-1528">Dublin City University</a></em></p> <p>Hundreds of chemicals stream from our bodies into the air every second. These chemicals release into the air easily as they have high vapour pressures, meaning they boil and turn into gases at room temperature. They give clues about who we are, and how healthy we are.</p> <p>Since ancient Greek times, we’ve known that we smell differently when we are unwell. While we rely on blood analysis today, ancient Greek physicians used smell to diagnose maladies. If they took a whiff of your breath and described it as <em>fetor hepaticus</em> (meaning bad liver), it meant you could be headed for liver failure.</p> <p>If a person’s whiff was sweet or fruity, physicians thought this meant that sugars in the digestive system were not being broken down, and that person had probably diabetes. Science has since shown the ancient Greeks were right – liver failure and <a href="https://tisserandinstitute.org/human-volatilome/">diabetes</a> and many <a href="https://link.springer.com/article/10.1007/s00216-023-04986-z">other diseases</a> including infectious diseases give your breath a distinctive smell.</p> <p>In 1971, <a href="https://www.nobelprize.org/prizes/peace/1962/pauling/facts/">Nobel Laureate chemist Linus Pauling</a> <a href="https://edu.rsc.org/feature/breath-analysis/2020106.article#:%7E:text=The%20'modern%20era'%20of%20breath,in%20an%20average%20breath%20sample.">counted 250 different</a> gaseous chemicals in breath. These gaseous chemicals are called volatile organic compounds or VOCs.</p> <figure><iframe src="https://www.youtube.com/embed/RzozmYPfCmM?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <p>Since Pauling’s discovery, other scientists have <a href="https://link.springer.com/article/10.1007/s40291-023-00640-7">discovered hundreds more VOCs</a> in our breath. We have learned that many of these VOCs have distinctive odours, but some have no odour that our noses can perceive.</p> <p>Scientists believe that whether a VOC <a href="https://tisserandinstitute.org/human-volatilome/">has an odour</a> that our noses can detect or not, they can reveal information about how healthy someone is.</p> <p>A Scottish man’s Parkinson’s disease onset was <a href="https://www.bbc.co.uk/news/uk-scotland-47627179">identified by his wife</a>, retired nurse Joy Milner, after she was convinced the way he smelled had changed, years before he was diagnosed in 2005. This discovery has <a href="https://www.manchester.ac.uk/discover/news/smell-of-skin-could-lead-to-early-diagnosis-for-parkinsons/">led to research programmes</a> involving Joy Milner to identify <a href="https://www.scientificamerican.com/article/a-supersmeller-can-detect-the-scent-of-parkinsons-leading-to-an-experimental-test-for-the-illness/">the precise smell</a> of this disease.</p> <p>Dogs can <a href="https://www.nature.com/articles/d41586-022-01629-8">sniff out more diseases</a> than humans because of their more <a href="https://www.understandinganimalresearch.org.uk/news/the-science-of-sniffs-disease-smelling-dogs%20-%20I%20think%20the%20previous%20nature%20link%20has%20more%20credibility%20for%20here%20also">sophisticated olfactory talents</a>. But technological techniques, like <a href="https://www.britannica.com/science/mass-spectrometry">analytical tool mass spectrometry</a>, picks up even more subtle changes in VOC profiles that are being linked to <a href="https://www.thelancet.com/journals/ebiom/article/PIIS2352-3964(20)30100-6/fulltext">gut</a>, <a href="https://www-sciencedirect-com.dcu.idm.oclc.org/science/article/pii/S0165993618305168">skin</a> and <a href="https://err.ersjournals.com/content/28/152/190011">respiratory</a> diseases as well as neurological diseases like Parkinson’s. Researchers believe that one day some diseases will be diagnosed simply by breathing into a device.</p> <figure><iframe src="https://www.youtube.com/embed/Xjo2M-XMYfs?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <h2>Where do VOCs come from?</h2> <p>Breath is not the only source of VOCs in the body. They are also emitted from skin, urine and faeces.</p> <p>VOCs from skin are the result of millions of skin glands removing metabolic waste from the body, as well as waste generated by bacteria and other microbes that live on our skin. Sweating produces extra nutrients for these bacteria to metabolise which can result in particularly odorous VOCs. Odour from sweat only makes up a fraction of the scents from VOCs though.</p> <p><a href="https://www.nature.com/articles/nrmicro.2017.157">Our skin</a> and also our gut microbiomes are made up from a delicate balance of these microbes. Scientists think <a href="https://journals.lww.com/co-gastroenterology/abstract/2015/01000/the_gut_microbiome_in_health_and_in_disease.12.aspx">they influence our health</a>, but we don’t yet understand a lot about how this relationship works.</p> <p>Unlike the gut, the skin is relatively easy to study – you can collect skin samples from living humans without having to go deep into the body. <a href="https://www-sciencedirect-com.dcu.idm.oclc.org/science/article/pii/S1471492221002087">Scientists think</a> skin VOCs can offer insights into how the microbiome’s bacteria and the human body work together to maintain our health and protect us from disease.</p> <p>In my team’s laboratory, <a href="https://iopscience.iop.org/article/10.1088/1752-7163/abf20a">we are investigating</a> whether the skin VOC signature can reveal different attributes of the person it belongs to. These signals in skin VOC signatures are probably how dogs distinguish between people by smell.</p> <p>We are at a relatively early stage in this research area but we have shown that you can tell males from females based on how acidic the VOCs from skin are. We use mass spectrometry to see this as the average human nose is not sophisticated enough to detect these VOCs.</p> <p>We can also predict a person’s age with reasonable accuracy to within a few years from their skin VOC profile. This is not surprising considering that oxidative stress in our bodies increases as we age.</p> <p><a href="https://www.metabolismjournal.com/article/S0026-0495(00)80077-3/pdf">Oxidative stress</a> happens when your antioxidant levels are low and causes irreversible damage to our cells and organs. <a href="https://pubs.acs.org/doi/10.1021/jasms.3c00315">Our recent research</a> found by-products of this oxidative damage in skin VOC profiles.</p> <p>Not only are these VOCs responsible for personal scent – they are used by plants, insects and animals as a communication channel. Plants are in a <a href="https://www.nature.com/articles/s41598-017-10975-x">constant VOC dialogue</a> with other organisms including pollinators, herbivores, other plants and their natural enemies such as harmful bacteria and insects. VOCs used for this back and forth dialogue are known as pheromones.</p> <h2>What has science shown about love pheromones?</h2> <p>In the animal kingdom, there is good evidence VOCs can act as aphrodisiacs. Mice for example have microbes which contribute to a particularly <a href="https://www.sciencedirect.com/science/article/pii/S0960982212012687">smelly compound called trimethylamine</a>, which allows mice to verify the species of a potential mate. <a href="https://www.sciencedirect.com/science/article/abs/pii/S0093691X21003083">Pigs</a> and <a href="https://www.nature.com/articles/4381097a">elephants</a> have sex pheromones too.</p> <p>It is possible that humans also produce VOCs for attracting the perfect mate. Scientists have yet to fully decode skin – or other VOCs that are released from our bodies. But evidence for human love pheromones so far is <a href="https://www.science.org/content/article/do-human-pheromones-actually-exist">controversial at best</a>. <a href="https://www.newscientist.com/article/dn3835-colour-vision-ended-human-pheromone-use/">One theory suggests</a> that they were lost about 23 million years ago when primates developed full colour vision and started relying on their enhanced vision to choose a mate.</p> <p>However, we believe that whether human pheromones exist or not, skin VOCs can reveal who and how we are, in terms of things like ageing, nutrition and fitness, fertility and even stress levels. This signature probably contains markers we can use to monitor our health and diagnose disease.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/215311/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p> <p><a href="https://theconversation.com/profiles/aoife-morrin-1478132"><em>Aoife Morrin</em></a><em>, Associate Professor of Analytical Chemistry, <a href="https://theconversation.com/institutions/dublin-city-university-1528">Dublin City University</a></em></p> <p><em>Image credits: </em><em>Getty Images </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/your-unique-smell-can-provide-clues-about-how-healthy-you-are-215311">original article</a>.</em></p>

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South Australian Government's sprinkles ban sparks outrage

<p>New guidelines for school canteens in South Australia have sparked outrage for "taking all the enjoyment away from children". </p> <p>Sprinkles of any kind, including 100s and 1000s - which are an essential ingredient for the iconic fairy bread - have been categorised as “red 2", meaning that they “should not be promoted or encouraged in schools on any occasion”.</p> <p>The ban comes after processed meats including ham would be limited at canteens in Western Australia, with similar restrictions now in place for South Australian canteens. </p> <p>Processed meats fall into the “red 1” or “amber” categories in South Australia, which means that products featuring them would be limited depending on nutritional criteria. </p> <p>These restrictions mean that children will no longer be able to regularly enjoy Australian staples like ham and cheese toasties and fairy bread at school. </p> <p>“Why are they taking all the enjoyment away from children?” one person told 7News. </p> <p>Dieticians have also questioned the decision, saying that it might only cause further problems in the future. </p> <p>“All your brain wants to do is eat that food, and eventually, you can restrict it for a little bit, until you get to that point where you just give in, you want to eat it, and then you binge,” dietitian Mattea Palombo said. </p> <p>Another expert suggested changing the foods we associate with good times. </p> <p>“Celebration foods aren’t so much about the foods that we have at the time of the celebration, but the friends and family we have around at the time of celebrating,” dietitian Dr Evangeline Mantzioris said.</p> <p>“So I think we probably need to balance it out a bit, so healthy foods are available at those celebrations.” </p> <p>Although the changes impact canteens, parents are still free to pack whatever they want in their kids' lunchboxes. </p> <p><em>Images: Getty</em></p> <p> </p> <p> </p>

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Supermarket worker finds 2000 Olympics relic between the shelves

<p dir="ltr">A worker at an Aussie supermarket has discovered a relic of Australian culture that is over two decades old. </p> <p dir="ltr">While moving some old shelves in the grocery store as they prepared for renovations, the supermarket worker was shocked to discover a long-expired chocolate bar that was released for the 2000 Sydney Olympics. </p> <p dir="ltr">Posting about the discovery on a Facebook page called Old Shops Australia, a man posted about his wife’s unusual find. </p> <p dir="ltr">“My wife works in a supermarket and they were moving the shelving around and this was stuck between two shelves. Still wrapped up with chocolate inside,” the man said. </p> <p dir="ltr">The 'Sydney 2000 Games Story Block' had the three characters, Syd the platypus, Millie the echidna and Olly the Kookaburra on the front. </p> <p dir="ltr">It also had one of six collectable Olympic Games story book inside the wrapper, with the chocolate expiring on July 30th 2001. </p> <p dir="ltr">Images of the almost-forgotten treat have been circulating online triggering old memories in thousands of Aussies. </p> <p dir="ltr">One person noted the wrapper was made out of paper and foil rather than the plastic used today. </p> <p dir="ltr">Others pointed out the generous size of the chocolate block which is 250g compared to the 180g bars available now. </p> <p dir="ltr">“Oh wow!! This brings back memories!! A near 24 year old block of chocolate!! Would anyone be up for tasting it?! Wonder how much it's worth?! How long since the supermarket had a good clean and update?! So many questions!” one woman asked. </p> <p dir="ltr">“Partly want this to go to a museum, partly just wanna see it unwrapped,” a second wrote.    </p> <p dir="ltr">“Oof, right in the nostalgia,” a third said and another chimed in, “Mouldy as hell. I wonder what the story book looks like.”</p> <p dir="ltr"><em>Image credits: Facebook</em></p>

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Parents busted for making their healthy child use a wheelchair to claim benefits

<p>A cruel mother and father have been jailed for over six years for forcing their healthy child to use a wheelchair in order to claim benefit payments. </p> <p>In 2012, Louise Law and her ex-husband Martin forced their then seven-year-old daughter into the wheelchair, as a ploy to gain a mobility car and disability allowance payments despite their being nothing wrong with her. </p> <p>The parents carried on with the scam for four years while they "fabricated illnesses and exaggerated symptoms" to teachers and NHS workers, all while raking in the extensive payments. </p> <p>The crown court in East Yorkshire, England, heard that the child suffered "gratuitous degradation" at being forced to use the wheelchair, as they were bullied at school and deprived of an ordinary childhood. </p> <p>In court, Louise Law admitted an offence of child cruelty, however she changed her plea on the day of a scheduled trial and was jailed for six years and nine months.</p> <p>Martin Law, now split from his wife, is now a long-term resident of a care home and was ruled unfit to enter a plea - although a jury convicted him of child cruelty, and was made subject of a guardianship order.</p> <p>Passing sentence, Judge Kate Rayfield told Mrs Law, "She missed out on so much of her childhood because of what you put her through."</p> <p>"Despite all of her tests revealing nothing wrong, you continued to subject her to appointments and investigations. You did the talking yourselves, telling the doctors lies."</p> <p>"This was a scam... You were telling her to report symptoms that she never said that she had."</p> <p>When the child reached the age of 18 in 2022, she was interviewed by police as she said the faux medical treatment from her parents began when she was six years old. </p> <p>A few initial medical appointments progressed to around 30 hospital appointments, including overnight stays.</p> <p>Prosecutor Louise Reevell told the court, "Her parents made her think that she could not walk properly. She would go to school in a wheelchair but she didn't really need it."</p> <p>Despite medical professionals proving that the child did not need the extensive medical treatment, her parents still claimed that the illnesses and symptoms of their daughter were genuine.</p> <p><em>Image credits: Getty Images </em></p>

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The best countries for food lovers to visit

<p dir="ltr">When it comes to travelling, one of the best things about exploring a new place is sampling the local cuisine. </p> <p dir="ltr">From cafes adored by locals and the best of fine dining, to charming markets and unassuming but delicious street food, discovering a country’s culture through their food is one of the best ways to immerse yourself in all the world has to offer. </p> <p dir="ltr">According to TripAdvisor’s 2024 Traveller's Choice Awards, some cities are better than others for foodies, with their top ten list showcasing the best destinations for lovers of food. </p> <p dir="ltr">Coming in hot in the number one spot for foodies to visit is the city of Hanoi, situated in the north of Vietnam. </p> <p dir="ltr">With a plethora of street food, fresh markets, and hole-in-the-wall restaurants, you won't be leaving hungry in this popular tourist destination. </p> <p dir="ltr">The national dish of Vietnam, a noodle soup called Pho, is a speciality for visitors to fall in love with, and compare between the hundreds of restaurants that offer the delicious meal. </p> <p dir="ltr">Other foods to try there include banh mi, rice pancakes, and Bun cha, or Vietnamese meatballs.</p> <p dir="ltr">Check out the entire top 10 list of foodie destinations below. </p> <p dir="ltr">10. Phuket, Thailand </p> <p dir="ltr">9. Lisbon, Portugal </p> <p dir="ltr">8. New Orleans, Louisiana, USA</p> <p dir="ltr">7. Barcelona, Spain</p> <p dir="ltr">6. New Delhi, India </p> <p dir="ltr">5. Florence, Italy</p> <p dir="ltr">4. Cusco, Peru</p> <p dir="ltr">3. Crete, Greece</p> <p dir="ltr">2. Rome, Italy</p> <p dir="ltr" role="presentation">1. Hanoi, Vietnam</p> <p dir="ltr"><em>Image credits: Getty Images</em></p>

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