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For its annual list of the best diets, US News & World Report ranked 40 eating plans based on criteria including how easy the diet is to follow, its effects on weight loss (both short- and long-term), how nutritional and safe the diet is, and how well it helps prevent diabetes and heart disease.
The ranking drew on the expertise of a panel of dietitians and nutritionists, but didn't account for the costs associated with the diet plans or how exercise fit into the programs.
Here's which diets ranked above the rest to make the top 10.