YOU: The Owner's Manual, Updated and Expanded Edition challenges your preconceived notions about how the human body works and ages, then takes you on a tour through all of the highways, back roads, and landmarks inside of you. In this update, the doctors have included a new chapter on the liver and pancreas, which will finally demystify the most exotic parts of our bodies; a new workout chapter that will finally get you moving; and nearly one hundred Q&As asked by you, the reader. It has also been updated throughout to give you up-to-the-minute know-how to not just understand what to do to keep fit, but also why and how.