You know the story: You adopt a fad diet, lose a lot of weight, feel great, and then discover when you return to your old eating habits that you’re gaining fast. Soon you’re fatter than you were ...

About half of American adults try to lose weight in a given year, says the U.S. Centers for Disease Control and Prevention.

Originally developed as a treatment for epilepsy in the 1920s, the keto diet is a low-carbohydrate and high-fat diet made possible by the metabolic process ketosis. The diet had a resurgence in ...

Written for you by our author Paul Arnold, edited by Lisa Lock, and fact-checked and reviewed by Robert Egan —this article is the result of careful human work. We rely on readers like you to keep ...

“Cut out all dairy. Ditch gluten. Never touch sugar again.” More than 20 million people have watched TikTok videos listing these kinds of rules under the banner of “anti-inflammatory diets.” The ...