science09:41Geriatricians debunk 14 aging mythsTwo geriatricians debunk 14 of the most common myths about aging. They explain the science behind smilin...g and what really causes wrinkles. They also debunk the idea that eating fewer calories will extend your life. In fact, it's more about the types of calories than the quantity. And they mention how losing your sex drive isn't a consequence of aging and what you should do if that happens.