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This statistic displays the rate of multiple sclerosis (MS) in the United States separated by the 37th parallel into a northern part and a southern part, as of 2015. It is estimated that there are between 110 to 140 cases of MS per 100,000 people in the Northern States. MS rates in the northern part of the country are twice as high as in the southern parts of the United States. There are about 200 new cases that are diagnosed every week in the country. MS is a disease that damages nerve cells in the brain and spinal cord which disrupts the ability of the nervous system to communicate with the body.