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Dec 10

Nutrition myths that we stopped believing in 2019, including the carnivore diet and ‘superfoods’ – INSIDER

How to lose weight safely Comments Off on Nutrition myths that we stopped believing in 2019, including the carnivore diet and ‘superfoods’ – INSIDER

Also myth: Fat is good.

Fat is fat, and there are different kinds. But all fats are more energy-dense, per gram, than either carbohydrates or protein.

Most nutrition experts and doctors agree it's best to favor fats that are liquid at room temperature and high in unsaturated fat, like olive oil or avocado oil, while sticking to limited amounts of foods high in saturated fats, like those in dairy, coconut oil, and meat.

"The type of fat is really important," former Harvard nutrition chair Walter Willett recently told Insider. "Emphasizing mostly unsaturated fats in a diet has positive health benefits."

Recently, high-fat, low-carb keto diets have soared in popularity as they allow dieters to essentially run on fat, but heart experts caution that they may not be healthy for everyone.

Myth: Taking supplements and breaking foods down into nutritional components is just as good as eating them whole.

The truth is there's no shortcut to good eating.

Nutrients are most potent when they come straight from food and aren't broken down into powders and capsules.

There's another great benefit to eating foods whole, like fruits, vegetables, and whole grains.

"They are accompanied by many nonessential but beneficial nutrients, such as hundreds of carotenoids, flavonoids, minerals, and antioxidants that aren't in most supplements," Clifford Lo, an associate professor of nutrition at the Harvard School of Public Health, said in a recent blog post.

People who hail from the world's Blue Zones, areas where people tend to live to about 100 years old while happy and disease-free, have known this for centuries. They eat a diet rich in beans, whole grains, and lots of fresh vegetables.

Because the supplement industry is barely regulated in the US, it's also nearly impossible to know exactly what's in the pills you're taking.

Myth: The same diet advice can be applied to everyone, at every age.

No two people, even identical twins, respond the same way to sugars and fats, which means that an ideal diet for one person might not be the answer to good health for someone else.

"Just because some diet or recommendation is out there doesn't mean that you fit it," epidemiologist Tim Spector told Business Insider when his new research on people's differing reactions to the same common foods was released earlier this year.

There's also no diet that's right for every age. Lactose intolerance, for example, becomes more common as people age and the enzymes in their guts change.

Researchers still suggest a diet rich in fiber-filled plants (including vegetables, whole grains, nuts) along with some fermented foods, is one of the best ways to foster a healthy microbiome.

"Most people in the US have non-diverse microbes and they could definitely improve their gut health," Spector said. "We think that the more microbes you've got, the better your metabolism is."

Myth: Detoxing is something your body can't do on its own.

Whether it's a juice cleanse or a charcoal latte, don't be fooled by the latest "detox" craze.

The truth is our bodies are great at detoxing all on their own.

"We each have a liver and kidneys to do that job without needing a detox diet that is, in most cases, inadequately balanced and lacking in so many important nutrients," registered dietitian Bonnie Taub Dix recently told Insider.

While charcoal is a traditional (and effective) way to rid the body of poisons, it'll also empty you out of nutrients like vitamins at the same time, and could make any drugs you're taking less effective too.

"I'd say if you're eating, like, one ice cream with activated charcoal, you're going to be fine," gynecologist Alyssa Dweck previously told Insider. "But if you're taking in a big [dose], you're going to possibly have a bigger problem."

Myth: You should snack all the time.

Research shows that inserting snacks into your daily routine isn't necessarily better for your health than eating three square meals a day.

Besides, many readily available snack foods aren't good for us. They are often ultraprocessed and high in sugar, so are linked with weight gain and more cancer cases.

"When you eat real, wholesome, healthy foods, you feel full sooner," Ocean Robbins, grandson of ice-cream magnate Irvine Robins (a Baskin-Robbins cofounder) recently told Business Insider. "Your body feels nourished. You actually have the nutrients you need and in time you can have less cravings."

Likewise, cancer researcher Miriam Merad encouraged everyone to "revisit this snacking thing" in August when her study on the cellular-level benefits of intermittent fasting was released.

"Maybe eating two times a day would be entirely sufficient and very beneficial, in fact, in terms of health," Merad said.

Other nutrition pros say built-in fasting we do overnight provides plenty of time for a gut to rest.

Myth: You don't have to eat plants. Subsisting on a carnivore diet is fine.

A "carnivore diet" has been rumored to cure conditions like type-2 diabetes and arthritis, as well as helping people lose weight. But the truth is that most of us not only need the fiber in plants, but also thrive on it.

Meat can certainly play a role in a healthy eating plan, but it shouldn't be the cornerstone, since it's fiber-free.

"There is no body of evidence that suggests that vegetables cause illness," Registered dietitian Heidi Bates said in a recent post from McGill University's Office for Science and Society. "In fact, the opposite is true. There is an excess of evidence linking vegetable consumption to reductions in the risk for heart disease, stroke, diabetes, obesity and certain types of cancer."

However you choose to have them, people around the world have known for centuries that plants are the backbone to the best diets. Meat can play a role in a healthy eating plan, but it shouldn't be the cornerstone.

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Nutrition myths that we stopped believing in 2019, including the carnivore diet and 'superfoods' - INSIDER

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