Spicy foods give you ulcers. Cracking your knuckles leads to arthritis. You don’t need to floss anymore. Our masked mystery guest reveals what’s fact and what’s fiction. Plus, buyer beware: can cheap runway fashion knockoffs make you sick?

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.