Dr. Mehmet Oz, co-author of books like "YOU: The Owner's Manual" and "YOU: Staying Young," has studied at Harvard, Wharton and the University of Pennsylvania. He's an award-winning heart surgeon and is vice chair surgery and professor of cardiac surgery at Columbia University, an Ivy League school. In his practice, he combines mainstream medicine with complimentary techniques, and he educates patients on taking better care of themselves.
Dr. Oz's most recent book, "YOU: Being Beautiful," turns to the subject of beauty. It approaches beauty from the inside as well as from the outside. In this interview with HowStuffWorks, Dr. Oz discusses everything from how financial stress affects beauty to which foods are best for your eyes. Read on to learn his thoughts on why beauty matters and what makes someone beautiful.