http://my.webmd.com/content/article/46/2731_1666 High protein, low carbohydrate diets have been widely promoted in recent years as an effective approach to losing weight. These diets generally recommend dieters receive 30% to 50% of their total calories from protein. By comparison, the American Heart Association, the National Cholesterol Education Program and the American Cancer Society all recommend a diet in which only 10% to 15% of calories are derived from protein (nutrients essential to the building, maintenance and repair of tissues in the body). The Atkins diet is an example of a high protein, low carbohydrate diet. How Do These Diets Work? By restricting carbohydrates drastically to a mere fraction of that found in the typical American diet, the body goes into a different _meta_bolic state called ketosis, whereby it burns its own fat for fuel. Normally the body burns carbohydrates for fuel