Multiple sclerosis (MS) is a chronic, often progressive disease that affects the central nervous system, including the brain, spinal cord, and optic nerves. While the most common symptoms include ...

A girl was diagnosed with NARS1 after having difficulty speaking may finally have a chance to live. For nearly a decade, Marley Mansour, 11, struggled with unexplained symptoms — difficulty speaking ...

Aphasia occurs when a brain disorder affects a person’s language abilities, such as speaking, reading, and writing. The type of aphasia a person has depends on where damage occurs in the brain.