Dr. Oz's trainer, Joel Harper, reveals the 8 most common workout mistakes and how you can correct them. Learn how to break a sweat - the right way.

Check out celebrity trainer Joel Harper’s home workout DVDs.   

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.