Chronic Pain and Headache -- Summary of Pain Management Issues -- Pathogenesis -- Pathogenesis of Chronic Pain -- Common Chronic Pain Conditions -- Headache -- Cervical and Lumbar Pain -- Abdominal Pain -- Arthritis -- Neuropathic Pain -- Myofascial Pain -- Fibromyalgia -- Special Groups -- Pediatric Pain -- Pregnancy and Pain -- Geriatrics and Chronic Pain -- Gender and Ethnic Issues in Chroni…