Multiple Sclerosis, or MS, is a chronic condition that affects your central nervous system.

Multiple Sclerosis, or MS, is a chronic condition that affects your central nervous system.

Published: August 25, 2026

Duration: 3:41

Multiple Sclerosis, or MS, is a chronic condition that affects your central nervous system, which includes the brain, spinal cord and optic nerves. In a healthy nervous system, nerve fibres are protected by a coating called myelin, which works like insulation around an electrical wire and allows nerve signals to travel quickly and smoothly.

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