Dr. Sanjay Gupta sits down with Dr. Oz for the first time ever! They reveal the secrets to a long life and what you need to know to prevent a stroke. Plus, are cellphones dangerous? The shocking brain cancer connection for women.

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.