Are you gaining a pound or two a year and don’t know why? Learn the warning signs of junk food addiction and what you can do to rid yourself of this unhealthy habit. 

Click here to watch Part 1 of Are You a Junk Food Addict?

Click here to take the Are You a Junk Food Addict Quiz.

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.