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Multiple Sclerosis Causes & Risks

Causes

Malfunction of the body's immune system seems to be the cause of MS, but the exact cause of this malfunction is unknown.

The following conditions may contribute to MS:

  • Viral or other infection
  • Genetic factors (heredity)
  • Environmental factors
  • Degeneration of parts of the nervous system

Risk Factors

A risk factor is something that increases your chance of getting a disease or condition. Risk factors for MS include:

  • Sex: female
  • Age: 15-50 years old
  • Exposure to certain viruses
  • Family members who have MS
  • Northern European descent
  • Growing up in a colder climate, as opposed to a tropical climate

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2026 EBSCO Publishing All rights reserved.

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Multiple Sclerosis Guide

Alison Beaver
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