Jennifer Ackerman is the author of Sex Sleep Eat Drink Dream:  A Day in the Life of Your Body; Chance in the House of Fate; Notes from the Shore; and the forthcoming Ah-Choo!  The Uncommon Life of Your Common Cold (Twelve, 2011). She also writes for National Geographic and many other publications.

"An enthusiastic tour through 24 hours in the life of a typical human body. . . illuminating and hospitable."   The New York Times