Is 4 hours a week enough time to get you your dream body? Tim Ferriss thinks so. He’s challenging many traditional studies on weight loss. Learn more about his plan.  

Click here to read an excerpt from his book: The 4-Hour Body.


Click here to watch Part 1.

Click here to watch Part 2.

Animation produced by Visible Productions Inc.

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.