Fad diets come and go, but The Atkins Diet-- a high-protein, low-carbohydrate weight-loss plan --seems never to go away, no matter how many medical professionals denounce it. "Low-carb diets have ...

As its name suggests, a low-carb diet refers to any diet ... when a cardiologist named Robert Atkins established a carbohydrate-restricted eating plan to promote weight loss.