Headaches cost U.S. business about $50 billion annually in absenteeism, lost productivity, and medical expenses. Twenty-eight million Americans suffer from migraine headaches, losing 157 million work days each year. And there are many other types of headache, each generating additional costs, both in money and misery. Robert Kunkel, M.D., one of America’s best-known headache experts and a member of the Cleveland Clinic’s Department of Neurology, tells us about all these forms of headache. He focuses attention on which types of headache are really dangerous, and he discusses headache treatments, including the risks and benefits of various treatments, in easily understandable terminology. This book is appropriate for anyone who has headaches, which at one time or another includes just about everybody. With pains ranging from shooting to stabbing, from annoying to unbearable, headaches can rob us of our health and happiness. Though many of us suffer in silence, help is available. A proper diagnosis and treatment plan will relieve our pain and ease our minds. Topics included in this Cleveland Clinic Handbook from the Headache Center at the Cleveland Clinic include: • Tension-type headaches • Migraine headaches • Cluster headaches • Triggers, symptoms, and diagnosis • Prevention • Treatment • Case studies