Three top cancer experts answer your biggest questions. Get everything you need to know to prevent and treat cancer. Plus, see the superstar vegetables you should be eating.

What's your cancer prevention IQ? Click here to quiz yourself.

Click here to watch Part 1.

Click here to watch Part 2.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.