The skin is the largest, and the most visible, organ in the body. And from time to time, nearly everyone has an issue about skin, from acne to athlete’s foot. Some wrinkle creams are well worth the investment, while others are just hope in a bottle. Find out which to choose. Guest: Laurie Polis, MD, dermatologist and cosmetic surgeon practicing in New York City. She is a fellow of the American Academy of Dermatology and serves on the teaching faculties of Beth Israel Medical Center, Mount Sinai Hospital & Albert Einstein College of Medicine.