Hear the secret to reshaping your body from nutritionist and trainer Mark Macdonald. Find out why he believes moderating your blood surgar is the secret to looking and feeling your best.

View Part 2 of Reshape Your Body.

View Part 3 of Reshape Your Body.

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.