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MS Causes

LEARN MORE ABOUT MS > MS Causes

The cause of multiple sclerosis (MS) is not known. Researchers believe the combination of heredity, the immune system, and possibly a virus may play a role in a person developing multiple sclerosis. Individuals may inherit a susceptibility to the disease, but not the disease itself.

Most people experience their first multiple sclerosis symptoms or a relapse between the ages of 20 and 40. Symptoms of MS include loss of vision, double vision, stiffness, weakness, imbalance, numbness, pain, problems with bladder and bowel control, fatigue, sexual changes, speech and swallowing difficulties, emotional changes, and intellectual impairment. Each person living with MS may experience a different set of symptoms.

For people with "Relapse Remitting MS" relapsing-remitting multiple sclerosis, a relapse or attack can create temporary disability even paralysis. Once the relapse subsides, the person can regain all or part of the lost function. Neurologists believe it is critical to reduce the number of relapses or attacks patients have.