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, a shining example and show guest shares his secrets and proves that you can live life to the fullest well after retirement; he bikes, swims and weight trains - and you'll never believe his age.

Click here to watch Part 2. Dr. Roizen reveals his real age and lets you in on the foods you should eat to achieve longevity.

Click here to take Dr. Oz's Anti-Aging Quiz. Click here for Dr. Oz's Longevity Grocery List.

Sponsored by Biotivia - for more information on resveratrol click here. Animation produced by Visible Productions Inc.

100-Calorie Spicy Potato Chip Recipe

You don't have to resist this low-calorie snack!

The Dish at Home gives you a snack you don't have to resist with these low-calorie spicy potato chips.