Nervous System

The Speak Out speech therapy program helps people with Parkinson's speak with intent. Speech therapist Valerie Johnson explains how the therapy works.

Multiple sclerosis (MS) is a slowly progressive disease of the central nervous system. MS damages the protective covering of nerve fibers, which leads to multiple physical problems. In this video, you'll learn about possible causes, the range of symptoms, and treatments available.

Myasthenia gravis is a disease of the central nervous system characterized by sporadic muscular fatigue and weakness. This video explores possible causes of this disease, as well as available treatments.