Multiple sclerosis (MS) is a chronic autoimmune disease — one in which the body erroneously attacks itself — that affects the central nervous system. Specifically, MS develops when the immune ...

The Epstein-Barr virus (EBV) is our constant companion, infecting an estimated 90%-95% of adults. Many of us are first infected as children, when the germ may trigger cold and flu symptoms.

Here’s how to recognize memory loss, what causes it and how to manage issues for yourself or someone you love.

What causes multiple sclerosis? The disease begins when a person's immune system attacks the coverings of nerve fibers throughout the body. These protective nerve sheaths are called myelin, and ...

Briumvi is a medicine used to treat relapsing forms of multiple sclerosis (MS). Relapsing forms of MS include clinically isolated syndrome, relapsing-remitting MS, and active secondary progressive ...