Redefine your golden years and shake off the perceived notions about growing old. Dr. Oz explores the science of aging and shows you what you can do to tap into the fountain of youth. Here, Dr. Oz's good friend and the Enforcer, Dr. Roizen, reveals his real age and lets you in on the foods you should eat to achieve longevity.
Click here to watch Part 1. A very special guest shares his secrets and proves that you can still live life to the fullest well after retirement; he bikes, swims and weight trains - and you'll never believe his age.