Multiple Sclerosis (MS) FAQs

1. Multiple Sclerosis Slideshow Pictures
2. Medical Illustrations of the MS Image Collection
3. Take the MS Quiz

• What is multiple sclerosis?
• Who gets multiple sclerosis?
• What causes multiple sclerosis?
• What are the symptoms of multiple sclerosis?
• Can multiple sclerosis be cured?
• How does multiple sclerosis change a person's life?
• Are support groups available?
• For More Information
• Web Links
• Multimedia

Multiple sclerosis (MS) is a chronic disease that affects different parts of the central nervous system at different points in time. The central nervous system is made up of the brain and spinal cord (see Multimedia file 1). The brain controls bodily activities, such as movements and thoughts. The spinal cord serves as a pathway for messages between the brain and various parts of the body. These messages participate in most bodily actions. Because MS affects different parts of the central nervous system, it can affect the functioning of many parts of the body.

Many researchers consider MS an autoimmune disease of the central nervous system. With an autoimmune disease that affects the brain or spinal cord, the body's immune system, its defense system against infection and disease, treats normal central nervous system tissues as if they are foreign and attacks them. When the immune system attacks tissues in the central nervous system, as in MS, the messages the brain sends get interrupted.

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