Drs. Howard Friedman and Leslie Martin studied 1,500 people at Stanford University to find out who lives the longest and why. Their book documents the findings of this study, discusses the character traits they found associated with long life, and addresses some of the common myths about longevity. We've been told that to live long we should obsess over what we eat, how much we stress, and how fast we run. But based on the most extensive study of...