Longevity isn’t just about exercising, it’s also about choosing the right diet. See the five foods that help you boost immunity, fight cancer and increase longevity. Plus, why mushrooms must be cooked.

Click here to watch Part 1.


Click here for Dr. Weil's food pyramid and click here for more on these foods.

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.