Multiple sclerosis (MS) is a disease of the central nervous system, the brain, and spinal cord. Its symptoms can range from benign to severe. Find out more about this mysterious illness by taking this quiz, based on information from the National Institute of Neurological Disorders and Stroke (NINDS).
December 29, 2010
Petersen, Sheralee, MPAS, PA-C, Sohrabi, Farrokh, MD