10 nutrition myths experts wish would die – News

10 nutrition myths experts wish would die – News

Some false concepts about eating regimen appear to linger within the mainstream like a horrible music caught in your head



NYT

By Sophie Egan

Published: Sat 28 Jan 2023, 11:33 PM

Soy milk can increase the chance of breast most cancers. Fat-free meals are more healthy than high-fat meals. Vegans and vegetarians are poor in protein. Some false concepts about diet appear to linger within the mainstream like a horrible music caught in your head.

So, to set the file straight, we requested 10 of the highest diet consultants within the United States a easy query: What is one diet fable you would like would go away — and why? Here’s what they stated.

Myth No. 1: Fresh vegetables and fruit are at all times more healthy than canned, frozen or dried varieties

Despite the enduring perception that “contemporary is finest”, analysis has discovered that frozen, canned and dried vegetables and fruit might be simply as nutritious as their contemporary counterparts.

“They will also be a cash saver and a simple means to verify there are at all times vegetables and fruit accessible at dwelling,” stated Sara Bleich, outgoing director of diet safety and well being fairness on the US Department of Agriculture and a professor of public well being coverage on the Harvard T.H. Chan School of Public Health. One caveat: Some canned, frozen and dried varieties include sneaky substances reminiscent of added sugars, saturated fat and sodium, Bleich stated, so you should definitely learn diet labels and go for merchandise that hold these substances to a minimal.

Myth No. 2: All fats is unhealthy

When research printed within the late Nineteen Forties discovered correlations between high-fat diets and excessive ranges of ldl cholesterol, consultants reasoned that should you decreased the quantity of whole fat in your eating regimen, your danger for coronary heart illness would go down. By the Eighties, docs, federal well being consultants, the meals business and the information media have been reporting {that a} low-fat eating regimen may benefit everybody, regardless that there was no stable proof that doing so would stop points reminiscent of coronary heart illness or obese and weight problems.

Dr. Vijaya Surampudi, an assistant professor of medication on the UCLA Centre for Human Nutrition, stated that in consequence, the vilification of fat led many individuals — and meals producers — to exchange energy from fats with energy from refined carbohydrates reminiscent of white flour and added sugar. (Remember SnackWell’s?) “Instead of serving to the nation keep slim, the charges of obese and weight problems went up considerably,” she stated.

In actuality, Surampudi added, not all fat are unhealthy. Although sure forms of fat, together with saturated and trans fat, can enhance your danger for situations reminiscent of coronary heart illness and stroke, wholesome fat — reminiscent of monounsaturated fat (present in olive and different plant oils, avocados, and sure nuts and seeds) and polyunsaturated fat (present in sunflower and different plant oils, walnuts, fish and flaxseeds) — really assist cut back your danger. Good fat are additionally vital for supplying power, producing vital hormones, supporting cell perform and aiding within the absorption of some vitamins.

If you see a product labelled “fat-free”, don’t routinely assume it’s wholesome, Surampudi stated. Instead, prioritise merchandise with easy substances and no added sugars.

Myth No. 3: ‘Calories in, energy out’ is an important issue for long-term weight achieve

It’s true that should you devour extra energy than you burn, you’ll in all probability achieve weight. And should you burn extra energy than you devour, you’ll in all probability shed some pounds — a minimum of for the quick time period.

But the analysis doesn’t recommend that consuming extra will trigger sustained weight achieve that ends in changing into obese or overweight. “Rather, it’s the forms of meals we eat which may be the long-term drivers” of these situations, stated Dr. Dariush Mozaffarian, a professor of diet and drugs on the Friedman School of Nutrition Science and Policy at Tufts University. Ultraprocessed meals — reminiscent of refined starchy snacks, cereals, crackers, power bars, baked items, sodas and sweets — might be significantly dangerous for weight achieve, as they’re quickly digested and flood the bloodstream with glucose, fructose and amino acids, that are transformed to fats by the liver. Instead, what’s wanted for sustaining a wholesome weight is a shift from counting energy to prioritising wholesome consuming general — high quality over amount.

Myth No. 4: People with Type 2 diabetes shouldn’t eat fruits

This fable stems from conflating fruit juices — which might increase blood sugar ranges due to their excessive sugar and low fibre content material — with entire fruits.

But analysis has discovered that this isn’t the case. Some research present, for example, that those that devour one serving of entire fruit per day — significantly blueberries, grapes and apples — have a decrease danger of creating Type 2 diabetes. And different analysis means that if you have already got Type 2 diabetes, consuming entire fruits can assist management your blood sugar.

It’s time to bust this fable, stated Dr. Linda Shiue, an internist and the director of culinary drugs and way of life drugs at Kaiser Permanente San Francisco, including that everybody — together with these with Type 2 diabetes — can profit from the health-promoting vitamins in fruit reminiscent of fibre, nutritional vitamins, minerals and antioxidants.

Myth No. 5: Plant milk is more healthy than dairy milk

There’s a notion that plant-based milks, reminiscent of these comprised of oats, almonds, rice and hemp, are extra nutritious than cow’s milk. “It’s simply not true,” stated Kathleen Merrigan, a professor of sustainable meals methods at Arizona State University and a former US deputy secretary of agriculture. Consider protein: Typically, cow’s milk has about 8 grams of protein per cup, whereas almond milk usually has round 1 or 2 grams per cup, and oat milk normally has round 2 or 3 grams per cup. While the diet of plant-based drinks can range, Merrigan stated, many have extra added substances — reminiscent of sodium and added sugars, which might contribute to poor well being — than cow’s milk.

Myth No. 6: White potatoes are unhealthy for you

Potatoes have usually been vilified within the diet group due to their excessive glycemic index — which implies they include quickly digestible carbohydrates that may spike your blood sugar. However, potatoes can really be useful for well being, stated Daphene Altema-Johnson, a programme officer of meals communities and public well being on the Johns Hopkins Centre for a Liveable Future. They are wealthy in vitamin C, potassium, fibre and different vitamins, particularly when consumed with the pores and skin. They are additionally cheap and located year-round in grocery shops, making them extra accessible. Healthier preparation strategies embody roasting, baking, boiling and air frying.

Myth No. 7: You ought to by no means feed peanut merchandise to your youngsters inside their first few years of life

For years, consultants advised new dad and mom that one of the simplest ways to forestall their youngsters from creating meals allergy symptoms was to keep away from feeding them frequent allergenic meals, reminiscent of peanuts or eggs, throughout their first few years of life. But now, allergy consultants say, it’s higher to introduce peanut merchandise to your little one early on.

If your child doesn’t have extreme eczema or a identified meals allergy, you can begin introducing peanut merchandise (reminiscent of watered-down peanut butter, peanut puffs or peanut powders, however not entire peanuts) at round 4 to six months, when your child is prepared for solids. Start with 2 teaspoons of clean peanut butter combined with water, breast milk or method, two to 3 occasions every week, stated Dr Ruchi Gupta, a professor of paediatrics and the director of the Centre for Food Allergy & Asthma Research on the Northwestern Feinberg School of Medicine. If your child has extreme eczema, first ask your paediatrician or an allergist about beginning peanut merchandise at about 4 months. “It can also be vital to feed your child a various eating regimen of their first 12 months of life to forestall meals allergy symptoms,” Gupta stated.

Myth No. 8: The protein in crops is incomplete

“‘Where do you get your protein?’ is the No. 1 query vegetarians get requested,” stated Christopher Gardner, a diet scientist and professor of medication at Stanford University. “The fable is that crops are utterly lacking some amino acids,” also referred to as the constructing blocks of proteins, he stated. But in actuality, all plant-based meals include all 20 amino acids, together with all 9 important amino acids, Gardner stated; the distinction is that the proportion of those amino acids isn’t as splendid because the proportion of amino acids in animal-based meals. So, to get an satisfactory combine, you merely must eat quite a lot of plant-based meals all through the day — reminiscent of beans, grains and nuts — and eat sufficient whole protein. “It’s simpler than most individuals assume,” Gardner stated.

Myth No. 9: Eating soy-based meals can enhance the chance of breast most cancers

High doses of plant oestrogens in soy known as isoflavones have been discovered to stimulate breast tumour cell progress in animal research. “However, this relationship has not been substantiated in human research,” stated Dr. Frank Hu, a professor and the chair of the division of diet on the Harvard T.H. Chan School of Public Health. So far, the science doesn’t point out a hyperlink between soy consumption and breast-cancer danger in people. Instead, consuming soy-based meals and drinks — reminiscent of tofu, tempeh, edamame, miso and soy milk — could also have a protecting impact towards breast-cancer danger and survival. “Soy meals are additionally a powerhouse of useful vitamins associated to decreased coronary heart illness danger, reminiscent of high-quality protein, fibre, nutritional vitamins and minerals,” Hu stated. The analysis is obvious: Feel assured incorporating soy meals into your eating regimen.

Myth No. 10: Fundamental diet recommendation retains altering — loads

This is just not the case, stated Dr Marion Nestle, a professor emerita of diet, meals research and public well being at New York University. “In the Fifties, the primary dietary suggestions for prevention of weight problems, Type 2 diabetes, coronary heart illness and the like suggested balancing energy and minimising meals excessive in saturated fats, salt and sugar. The present US Dietary Guidelines urge the identical.” Yes, science evolves, however the bottom-line dietary steering stays constant. As creator Michael Pollan distilled to seven easy phrases: “Eat meals. Not an excessive amount of. Mostly crops.” That recommendation labored 70 years in the past, and it nonetheless does in the present day, Nestle stated. And it leaves loads of room for consuming meals you like.

This article initially appeared in The New York Times.

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