They've put you on a diet, given you an owner's manual, and taught you how to be a smart patient. Now Doctors Michael Roizen and Mehmet Oz want to teach you how to stay young. In this episode of Advice for Living, host Mel Robbins talks to the You doctors, who reveal some pretty surprising factors that age us daily, as well as the simple things we (you!) can do to slow the aging process to a snail's pace, and stay healthy and functioning for decades to come.