(CBS/AP) The Atkins diet may have proved itself after all: A low-carb diet and a Mediterranean-style regimen helped people lose more weight than a traditional low-fat diet in one of the longest and largest studies to compare the dueling weight-loss techniques.

A bigger surprise: The low-carb diet improved cholesterol more than the other two. Some critics had predicted the opposite.

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Have you tried either the Atkins or Mediterranean Diet?

EmpowHer: Does the Atkins diet contribute to clogging arteries?

Dr. Richard Fogoros: Well, that’s still a question of some controversy. However, it’s beginning to look like the low-carb diets are at least not nearly as dangerous as cardiologists have always thought and in fact they may be beneficial in some people.