By Karen Weintraub Special for USA TODAYFibromyalgia affects 1% to 5% of Americans, mainly women, but until recently, scientists had no idea what might be causing its severe and mysterious pains. For decades, doctors told patients their agony was imaginary, the result of emotional hysteria, not a physical ailment.But this year, researchers finally began to … Continue reading New research sheds light on mysterious fibromyalgia pain