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Some nutrition experts caution that evidence for low-carb diets is new, and that it’s unclear what the long-term effects might be.
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Sure, if "new" means 10 million years of human evolution vs. 500 years of potatoes and 100 years of processed vegetable oils.
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They say criticism of the guidelines is overblown, and blame the food industry for distorting messages to market low-fat snacks full of sugar and massive portions. They note the guidelines have cautioned against sugar since they were introduced in 1980, and that key recommendations have been largely consistent and remain sound.
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When will people get the message that it's not just sugar?!? Also, portions aren't "massive." Research indicates that people generally are following the guidelines. People don't eat like it's Thanksgiving every day. They eat when they are hungry. They just never get full on all those carbs. Arbitrary portion sizes and tons of carbs based on a "typical" calorie diet isn't going to change that.
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Low-carb diets generally limit foods like bread, pasta and sugar to less than 30 percent of calories, or around 750 calories for someone eating 2,500 calories a day.
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No. That's not a "low-carb diet." That's what is called "false low-carb." First, standard food labels are based on 2,000 calories/day, so using 2,500 is a misleading comparison in an article aimed at consumers. Second, low-carb diets are not based on a percentage of calories, they're based on absolute grams. Third, by anyone's reasonable definition, "low carb" would
max out around 100g of carbs, which is equal to 400 calories or about 15% of calories on a 2,500 calorie diet or 20% of calories on 2,000 calorie diet. Very low-carb diets (such as "keto," Atkins, etc.) are commonly 20–30g of carbs, but no more than 50g.
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The idea of restricting carbohydrates has been around for decades centuries, and many remember the still follow Atkins craze.
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FTFY.
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But the benefits of low-carb can also be overblown, and people still have to make sure their overall diet is healthy, said Kevin Hall of the National Institute of Diabetes and Digestive and Kidney Diseases.
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By, like, you know, following a low-carb diet full of whole foods like vegetables, meat, fish, nuts, and some dairy--the healthy food you get shopping the perimeter of the grocery.
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Some nutrition experts say sticking to low-carb diets can be hard, and that people should make changes that can last.
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Hard like following
any other diet to improve your health or reduce weight that involves not eating whatever the f* you want at any moment? Because otherwise it's much easier to follow a diet in which you aren't hungry all the time, like a carbohydrate heavy diet.
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Marion Nestle, a nutrition researcher who helped write the 1995 guidelines, said she prefers guidance that encourages healthy habits, such as the types of food to eat or limit.
“People don’t eat nutrients, they eat food,” she said.
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Right. Guidance that encourages healthy habits like limiting
types of food like sugar, pasta, bread, rice, potatoes, and vegetable oils, and encouraging
types of food like meat and vegetables. I can see how she might not like the latest iteration of the guidelines, because they do stupid things like refer to "protein" rather than "beef and chicken" and muddle starchy vegetables like beans in with foods like beef, chicken, pork, lamb, fish, eggs, and dairy.
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Adding low-carb diets could further muddle messages. The guidelines, now more than 120 pages, also advise people to limit the saturated fat commonly found in meat and butter—foods many link with low-carb diets.
Instead of adding another diet to the mix, simplifying the guidelines would be more useful, said Stanford University health policy researcher John Ioannidis.
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Simplifying is good. Maybe we can get rid of the stuff that's been completely debunked by controlled randomized trials, like low-fat diets and the advice to not eat saturated fat!
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“If we eat more, that will make us obese. That’s 100-percent correct,” he said.
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That is 100% incorrect.
US experts reviewing low-carb, other diets for new guidelines
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