How Healthy Is the South Beach Diet Program?

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One of the most popular weight loss programs around is the South Beach Diet, which was first created in the mid-1990s. The program took off in 2003 after one of the diet's creators, cardiologist Arthur Agatston, M.D., wrote a book about the program. Since then, millions have tried the program and lost weight as part of their fitness journeys. But how healthy is the South Beach Diet really — and does it deliver effective long-term results?