Multiple sclerosis is a chronic complaint that affects the central nervous system, which is the brain, spinal cord, and optical nerves. This can lead to a wide range of symptoms throughout the body. Scientists don't know exactly what causes Multiple Sclerosis, but they believe Trusted Source it's an autoimmune complaint that affects the Central Nervous System (CNS). When a person has an autoimmune complaint, the immune system attacks healthy tissue, just as it might attack a contagion or bacteria.
- Clinically isolated syndrome
- Relapse-remitting MS