Amazon.com description: Product Description: A simple way to achieve lasting overall fitness. The authors explain that because the body has an inherent tendency towards fitness, there is no good reason for anyone to be overweight or out of shape. The human body's fitness cicuitry is a remarkable, integrated piece of engineering that has the natural ability to burn fat more quickly than supplements, decrease food intake more effectively than appetite suppresants, amd synthesize protein faster than the leading protein powder. This book is based on more than 50 years of research and recent breakthroughs.