Oprah's bestselling diet and fitness guru offers a four-part, science-based, antiaging plan for looking and feeling younger and healthier... Greene's lists of dos and don'ts help readers assess their current health status and grasp what changes to make in order to move forward."-- "Publishers Weekly

Bob Greene is an exercise physiologist and certified personal trainer specializing in fitness, metabolism, and weight loss. He is the bestselling author of 4 previous books. He is also a writer and editor for the Oprah magazine and writes articles on health and fitness for Oprah.com. Harold Lancer, MD, is a Beverly Hills dermatologist. Diane L. McKay, PhD, is a nutrition specialist and scientist at Tufts University. Ronald L. Kotler, MD, is cofounder of the Pennsylvania Hospital Sleep Disorders Center.