If you read the official website, southbeachdiet.com, you'd hear that "the South Beach Diet is truly a food lover's diet. It's about living well and loving what you eat. But it's also practical, flexible, easy, and effective." The plan emphasizes "good carbs" and "good fats," and was a best-selling diet book in 2004 by Dr. Arthur Agatston (pictured). Its popularity has since waned.