'End of Illness': Hidden Health Cues in Hair, Nails, Feet?

intro: Can seemingly trivial details such as the length of your fingers and whether you wear high heels actually be important clues about your risk for serious medical conditions? According to Dr. David Agus, author of the new book "The End of Illness," finger length and shoe type are two potentially important pieces of information people can use to unlock their body's secret code. By learning to interpret the body's signals, Agus says people can prolong their health and live their lives...Full Story