From the publisher: Perspectives On Diseases & DisordersMigraines Author Mary Williams Published by Greenhaven PressEach volume in this timely series provides essential information on a disease or disorder (including symptoms, causes, treatments and cures); presents the controversies surrounding causes, alternative treatments, and other issues; and offers first-person narratives from people coping with the disease -- either as patients, family members or caregivers. Essays are carefully edited and introduced to make them easily accessible to student researchers as well as general readers.By focusing on the controversies surrounding diseases and disorders, this series supports debate assignments and helps develop critical thinking skills, and also helps patients and family members learn about and deal with a disease or disorder.