This Dr. Oz intervention comes not a moment too soon; Tina is a single mom battling anorexia. She weighs under 90 pounds, has lost her teeth and the function of one kidney. Can she turn her life around for the well-being of herself and her children?

Want to help lower your risk of getting cancer? The answer could be in the food you eat! Dr. John Whyte, chief medical officer at WebMD and the author of "Take Control of Your Cancer Risk," says there are three kinds of foods that could really help prevent cancer: garlic, fish and grapes. And what three kinds of foods should you avoid? Red and processed meats, refined grains, and alcoholic and sugary drinks. Watch the videos below to learn more about how food could be connected to your cancer risk.