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Multiple Sclerosis (MS) - Cause

The cause of multiple sclerosis (MS) is unknown. Because a person's risk of MS is slightly higher in some families when a relative has MS, there may be a genetic link. For more information, see What Increases Your Risk.

Some research suggests that where you lived as a child and viral illnesses you have had could be triggers for MS later in life. But these links have not been proved.

Recommended Related to Multiple Sclerosis

CCSVI and Multiple Sclerosis

People with a lifelong condition like multiple sclerosis (MS) are always on the lookout for a new treatment that might improve, or even cure, their disease. In the last few years, there's been a lot of buzz about a vein condition called CCSVI and its possible connection to MS. However, this connection is very controversial. Some researchers say treating CCSVI can relieve MS symptoms. Others say CCSVI isn't even real. They compare it to the snake venom, bee stings, and other dubious "cures" that...

Read the CCSVI and Multiple Sclerosis article > >

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: March 12, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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