Eighty of the world"s leading M.E./CFS authorities have contributed their knowledge to produce a 750-page encyclopedia on the disease process that may be one of the biggest single causes of chronic illness in the world today. Known in the United States as Chronic Fatigue Syndrome and in Great Britain both as Myalgic Encephalomyelitis and Post-Viral Fatigue Syndrome, M.E./CFS has provoked a chronic disabling illness in an estimated 1,000,000 persons in North America and Europe. This book provides, in one superb 75-chapter source, an up-to-date, comprehensive account of current knowledge concerning the history, epidemiology, children with M.E., investigation, virology, immunology, muscle pathology, host response, food intolerance, brain mapping, neurophysiology, neuropsychology, psychiatry, sleep dysfunction, fibromyalgia syndrome, treatment and management. This is an essential reference book for medical, government and public library reference rooms. This text is a unique vehicle for researchers, physicians and other health education and government officials, and is easily understandable by the general public interested in M.E./CFS. All funds from this text will be used both to promote research and to assist in greater understanding of M.E./CFS.