Our skin. It's the first thing anyone sees. Take care of it and it can be a fountain of youth. Neglect it and those signs of aging become more and more apparent. And a few wrinkles are the least of our worries as the risk of too much sun, even at an early age, can result in serious health problems as we get older. Our skin is one of our most precious possessions, and we'll look at why all of us need to protect it.