Multiple sclerosis
It is an autoimmune disease that affects the brain and spinal cord (central nervous system).
Causes
Multiple sclerosis (MS) affects women more than men. The disorder is most commonly diagnosed between 20 and 40 years of age, but can be seen at any age. MS is caused by damage to the myelin sheath. This sheath is the protective covering that surrounds nerve cells. When this nerve covering is damaged, nerve impulses are slowed or stopped.
Nerve damage is caused by inflammation. Inflammation occurs when the body's own immune cells attack the nervous system. This can occur along any area of the brain, optic nerve or spinal cord. It is not known exactly what causes MS. The most common belief is that the culprits are a virus, a genetic defect, or both. Environmental factors may also play a role. You are slightly more likely to develop the disease if you have a family history of MS or if you live in a part of the world where the disease is more common.
Nerve damage is caused by inflammation. Inflammation occurs when the body's own immune cells attack the nervous system. This can occur along any area of the brain, optic nerve or spinal cord. It is not known exactly what causes MS. The most common belief is that the culprits are a virus, a genetic defect, or both. Environmental factors may also play a role. You are slightly more likely to develop the disease if you have a family history of MS or if you live in a part of the world where the disease is more common.
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