Complementary medicine is a term that covers many unrelated therapies. The purpose of this book is to provide a brief impartial overview of each of more frequently used therapies that are included with the broad term 'complementary' medicine'. The reader can then decide whether and how best to investigate a treatment. complementary treatments used to be called 'alternative' because they were thought to represent an alternative to conventional medicine. the term has changed to 'complementary' as doctors and complementary therapists began working together using treatments that they both recognised to be of value.Dr George Lewith is a senior research fellow and honorary consultant physician at Southampton General Hospital leading a research group that investigates complementary therapies. He also in practice as complementary medical physician in both Southampton and London.Dr. Tony Smith: Family Doctor Publications' Medical Editor-in-Chief was for many years Deputy Editor of the British Medical Journal and continues to work as an Associate Editor. He is the Medical Editor of both the Complete Family Health Encyclopaedia and the Family Home Adviser.We regret the author(s) are unable to enter into correspondence with readers.The British Medical Association (BMA): The British Medical Association is the professional body that looks after doctors' interests speaks on their behalf and keeps their scientific knowledge up to date through meetings and publications.