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Multiple Sclerosis Health Center

Overview & Causes

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Multiple sclerosis is a mysterious, often frustrating disease. Learn what scientists know about MS -- what seems to trigger it, and its effect on the nervous system.

What Is Multiple Sclerosis?

What makes the body’s immune system cause damage to healthy nerves? Learn more about MS and its effect on the brain and spinal cord.

Causes

Genetics, the environment, even viruses may play a role in who gets MS. 

Are You at Risk?

Researchers are gaining a better understanding of genetics and MS. Read what the research shows.

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