By Samuel B. Pegram, M.D. Sometimes, pain isn’t because of an injury. It’s because of your brain. Fibromyalgia pain is an interesting concept, because it’s actually a neurological issue.  Years ago when doctors started learning about fibromyalgia, we weren’t aware that it was a neurological problem. Because people had pain in areas that weren’t their joints, doctors thought it was a muscular problem. And in fact, many years ago, we would actually go about biopsying some areas of tenderness, looking for inflammatory cells that weren’t actually there. Fibromyalgia was called fibritis for a while, because doctors thought it was inflammatory. But eventually, we came