http://www.webmd.com/fibromyalgia/guide/fibromyalgia-causes Women have about seven times less Fibromyalgia: Possible Causes and Risk Factors - WebMD fibromyalgia patients "Fibromyalgia: Possible Causes and Risk Factors" http://www.webmd.com/fibromyalgia/guide/fibromyalgia-causes "Fibromyalgia: Possible Causes and Risk Factors"