Do you have undereye circles or sagging skin? Nutritionist Brooke Alpert reveals the real culprit behind your aging: sugar! Get her 4-week plan to take years off your face. Plus, the must-have moisturizing ingredient for younger skin!

Watch Part 1 of The Power to Prevent Aging.


Watch Part 3 of The Power to Prevent Aging.

Read an excerpt of The Sugar Detox.

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.