Of all the world's sicknesses, depression is probably the least understood. Snap out of it sufferers hear constantly. What's wrong with you? What are you depressed about? Many who are truly depressed find themselves trying to cover up their symptoms simply to avoid such reprisals. In the Ask the Doctor series can help. In it, Dr. Vincent Friedewald takes a long look at depression, its symptoms, what causes it, and what you can do about it. Learn the...