The Multiple believe Sclerosis may occur before showing symptoms. Factors believed to cause disease. Genetic and Environmental The disease is 1 in 1,000 (0.1%) in the general population and have found more and more in families where a first cousin. (First-degree relative, such as father, mother, brothers, the same ball), this disease is often found to be 20-40 per 1,000 (2% -4%) in women than in men. A ratio of 3 to 1 in men, although less common. But the disease is often more severe
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