The South Beach Diet has been popular for over a decade. It's a lower-carb diet that has been credited with producing rapid weight loss without hunger, all while promoting heart health. On the other hand, it's also been criticized for being a restrictive "fad" diet. The South Beach Diet is a healthy way of eating that is far lower in carbs than conventional low-fat diets. It also encourages dieters to eat mainly unprocessed foods, liberal amounts...