The Atkins Diet is a popular low-carb diet program prescribed for weight loss by the cardiologist Dr. Robert Atkins, who published "Dr. Atkins Diet Revolution" in early 1970s. It is based on eating high protein and healthy fat, and low carbohydrates. The Atkins Diet plan varies from person to person, but the purpose of this low-carb diet is to lose weight by consuming less carbohydrate rich foods.