Multiple sclerosis often causes inflammation and, over and over, destroys the nerve myelin sheath, leaving scar tissue areas along the outer lining of the nerve cells, resulting in slowing or clogging. nerve impulse transmission line. Scientists believe that multiple sclerosis is an abnormal immune response against the central nervous system. Some recent studies show that MS can be caused by both environmental factors and family factors. The cause of multiple sclerosis may be the role of viruses, abnormalities of genes responsible for controlling the immune system, or a combination of both. The disease occurs more often in women than in men, and can affect the brain, spinal cord and eyes. Mickey Mouse No One Fights Alone Multiple Sclerosis Awareness sweatshirt