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 2.


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

You've heard of red wine and white wine but have you ever heard of blue wine? This blue version of wine is given a taste test to see how it compares to the classics.