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Overview

Multiple sclerosis (MS) is an autoimmune disorder in which the body's immune system attacks and eventually destroys myelin, the fatty substance that surrounds and protects nerve fibers in the brain and spinal cord (central nervous system). The inflammatory process that destroys myelin is called demyelinization. Scarring (sclerosis) develops at sites where myelin is destroyed. The disease is characterized by recurrent attacks that are followed by periods of partial or complete reco...Read the full article