Many of the longest lasting diet crazes in recent years have been carb diets. Atkins was probably the most popular, but South Beach and others have gained in popularity.

While these are not as popular as they once were, they are still used by many dieters. The basic idea of carb diets is that if you reduce your carb intake, your body will have to resort to using proteins and burning stored fat for energy. This type of diet is said to stop the cycle of storing carbs and sugars as body fat, which is a huge problem for some people.

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