Multiple sclerosis (MS) is a disease of the central nervous system, the brain, and spinal cord. Its symptoms can range from mild to severe. Find out more about this illness by taking this quiz, based on information from the National Institute of Neurological Disorders and Stroke (NINDS).
There are different forms of MS. All forms can lead to paralysis.
About 1 in 5 people with MS have a mild form of the disease that does not get worse.
Francesca Torriani, MD
Medical Director, Infection Prevention and Clinical Epidemiology
UC San Diego | School of Medicine