What is MS or multiple sclerosis?

WebMD explains multiple sclerosis (MS), including its causes, symptoms, diagnosis, and treatments. read more

Multiple sclerosis, or MS, is a long-lasting disease that can affect your brain, spinal cord, and the optic nerves in your eyes. It can cause problems with vision, balance, muscle control, and other basic body functions. read more

Multiple sclerosis is the most common immune-mediated disorder affecting the central nervous system. In 2015, about 2.3 million people were affected globally with rates varying widely in different regions and among different populations. That year about 18,900 people died from MS, up from 12,000 in 1990. read more

Multiple sclerosis (MS) is an unpredictable, often disabling disease of the central nervous system that disrupts the flow of information within the brain, and between the brain and body. read more