For decades, multiple sclerosis (MS) has been defined primarily by its symptoms, rather than its underlying biology. Now, a ...

New research suggests that Epstein-Barr virus may actively provoke the immune system in people with multiple sclerosis. Scientists found large buildups of virus-targeting immune cells in the nervous ...

Signs of multiple sclerosis may surface years before diagnosis, as patients use healthcare more often for early symptoms.

This informational guide, part of POPSUGAR's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to ...

Some research suggests that people with multiple sclerosis are at a higher risk of atherosclerosis. An increased risk hasn’t been established, and we don’t know how MS might increase the risk. Having ...

Multiple sclerosis (MS) is a disorder that prompts the body's immune system to attack myelin, the protective sheath covering nerve cells in the brain, optic nerve and spinal cord. This can in turn ...