It's hard to imagine not having an anesthetic at the dentist or during a major operation! This comprehensive volume begins with the history of anesthetics, including herbs used in ancient times. It details different kinds of anesthetics, how anesthetics work, when and where they're used, and their complications and side effects. It concludes with some fascinating developments in anesthetics. Readers will gain an appreciation for this pain-reducing innovation, while learning more about the human body and medical technology, aided by instructive images and colorful photographs.