The vagus nerve does it all—tells your lungs to breathe, controls your heart rate, and even forms the foundation for a whole ...

Myelin is an insulating layer of lipids and proteins surrounding nerves. Myelin damage can cause problems with the nerves’ ability to send and receive electrical messages. Inflammatory disorders ...

While the central nervous system is comprised of the brain and spinal cord, the peripheral nervous system is made up of all nerves branching off the spinal cord, extending to every part of the body.