The audiobook is read by the author Michael F. Roizen, MD. It contains 2 abridged cassettes, running for a total of 3 hours. It is an age reduction program that can make you live and feel up to 26 years younger. It provides scientifically proven steps that delay aging. The program calculates the aging effect of different health behaviors ranging from diet and medication to stress control and chronic smoking. Most important, it shows you how to design a specific path to improving or reversing you own aging trajectory, and it's easier than you think. Dr. Michael F. Roizen and his team have pored over 25,000 medical studies, evaluating what they say about aging and the prevention of aging.