What Is the Nervous System? Your nervous system is your body's main communication system. It sends messages from your brain to the rest of your body and helps you respond to changes inside and ...

A cervicogenic headache develops in the neck and spreads to the head. It is a type of headache that results from another condition, such as muscle spasms, arthritis, or a pinched nerve.

A pinched nerve in the neck, also known as cervical radiculopathy, can be alarming and painful. The neck, or cervical spine, ...

In many sports, a blow to the head is a quick route to a ... where the force generated causes long nerves in the brain to stretch or tear. The neck is often exploited in mixed martial arts ...