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