Fibromyalgia is an illness that causes chronic pain in muscles and ligaments. Although this disorder affects about 4 million Americans, the vast majority of them are women in their mid-30s to late-50s.
In addition to muscular pain and stiffness, this ailment can also cause fatigue, sleep problems, depression, and an inability to think clearly.
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Stress and Chronic Pain
Researchers are examining how emotions may play a roll in physical pain. See more WebMD Videos »
Find tips and advances in treatment.