Many people ask Dr. Oz about popular detox and diet programs on the market, and want to know if they are safe ways to get healthy and lose weight. Dr. Oz talks with Roni DeLuz and James Hester, authors of 21 Pounds in 21 Days: The Martha's Vineyard Diet Detox, about Roni's all-liquid detox diet. Plus, Dr. Oz talks about how you should consult your doctor before trying a detox program and offers health and nutritional advice to anyone looking to improve their health.