What Is MS? - National Multiple Sclerosis Society

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What Is MS?

Multiple sclerosis (MS) is an unpredictable, often disabling disease of the central nervous system that disrupts the flow of information within the brain, and between the brain and body.

Susan
diagnosed in 1995

Central Nervous System

What is MS?

A detailed view of MS-related damage in the central nervous system that results in the varied and unpredictable symptoms of the disease.
 

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The cause of MS is still unknown – scientists believe the disease is triggered by as-yet-unidentified environmental factor(s) in a person who is genetically predisposed to respond.

Learn more about MS and options for managing symptoms, treatments, coordination of healthcare, and living well with MS.

Let’s explore MS in more detail…


Every Connection Counts

From fundraising events to influencing policy to giving financially, everyone can make a difference.

Walk MS
Walk MS connects people living with MS and those who care about them. When you participate in this community event, the funds you raise give hope to everyone impacted by MS.

Walk MS

Walk MS

The National MS Society is Here to Help

Need More Information?

We Are Here

Our MS Navigators help identify solutions and provide access to the resources you are looking for. Call 1-800-344-4867 or contact us online.





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Newly Diagnosed

If you or someone close to you has recently been diagnosed, access our MS information and resources.

Start Here

Start Here