You have the power to prevent cancer. Arm yourself with lifesaving information. Here, an audience member Asks Dr. Oz: Do physical activity and yoga help to prevent breast cancer? Dr. Dara Richardson-Heron talks about reducing your risk.

Click here to watch Part 1: Expert testimonial and brain cancer prevention.

Click here to watch Part 2: What's more dangerous: chewing tobacco or cigarettes? And is there a link between esophageal cancer and alcohol consumption?

Click here to watch Part 4: Colon cancer and preventing ovarian cancer in your daughters.

Click here to watch Part 5: Skin cancer; a viewer shares how watching the show saved her life.

Click here to learn more about the groundbreaking project Dr. David Servan-Schreiber and the MD Anderson Cancer Center have initiated to enhance and bolster cancer care.

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.