Investigate the causes & consequences of pain, both mental & physical. Pain is one of medicine's greatest mysteries. Pain is a warning message, yet it can switch off in the most agonizing circumstances or switch on for no apparent reason. Interweaves questions about pain with a wealth of fascinating & sometimes disturbing historical detail, such as famous characters who derived pleasure from pain, the unexpected reactions of injured people, the role of endorphins, & the power of placebo. He covers cures of pain, ranging from drugs & surgery, through relaxation techniques & exercise, to acupuncture, electrical nerve stimulation, & herbalism. Pain is a matter of behavior & its manifestation differs among individuals, situations, & cultures.Wall, Patrick is the author of 'Pain The Science of Suffering', published 2000 under ISBN 9780756788377 and ISBN 0756788374.