Fibromyalgia is a condition characterized by widespread pain and fatigue. It most commonly affects women between 20-50 years old. While up to 12 million Americans may have fibromyalgia, many remain undiagnosed due to a lack of physical evidence. Fibromyalgia has no known cause but is thought to involve abnormalities in how the central nervous system processes pain signals. Common triggers include physical trauma, injuries, repetitive strain, and neuropathophysiological disturbances to the nervous system. The condition is diagnosed based on widespread pain and tender points, but there are no definitive medical tests. Treatment aims to reduce symptoms but medication effectiveness is limited.