People lose little or no more weight on low-carb diets than on weight-loss diets with more carbs, according to a new rigorous review of 61 clinical trials on 6,925 people. Only 14 of the trials tested very-low-carb diets, but they yielded no better results.

What to do

Pick any weight-loss diet—low-carb or not—that’s healthy and cuts calories.

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