Multiple sclerosis (MS) is a major health issue facing society today. It has affected more than 2.5 million people worldwide, including 400,000 Americans. MS is a serious chronic disease of the white matter of the central nervous system (CNS) that can render a person disabled. It usually starts between the ages of 20 and 40 years with an average onset of around 30. MS is proven to affect more women than men. Multiple sclerosis is thought to be an autoimmune disease. In MS, genetic factors and environmental factors are thought to be causes of the disease, such as, infections. MS
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