Millions of you take supplements every day to accelerate weight loss, but are you getting more than you bargained for? Studies have found health supplements to be laced with dangerous prescription-strength medications. Learn the secrets of the dangerous supplements in order to avoid them. 

Click here for Part 1 of Who's Spiking Your Supplements?

Click here for Part 3 of Who's Spiking Your Supplements?

Click here for guidelines for purchasing safe supplements.

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.