Dr. Oz talks to weight-loss expert Dr. Ian Smith about his breakthrough diet that will help you shred fat fast. Learn how to trick your metabolism into burning more calories and you'll lose 4 inches and 2 sizes in just 6 weeks!

View Part 2 of The Shred Diet: Lose 4 Inches and 2 Sizes in Just 6 Weeks!


View Part 3 of The Shred Diet: Lose 4 Inches and 2 Sizes in Just 6 Weeks!

Watch Dr. Ian Smith prepare three recipes from his 6-week meal plan.

Dr. Oz and Dr. Ian Smith demonstrate the ultimate fat-shredding workout.

Read more about the Shred Diet.

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.