A health and wellness expert has shared the one simple exercise that can 'reset' the nervous system and helps with migraines, headaches, tension and pain and even alleviate anxiety.

The central nervous system is made up of the brain and spinal cord. ... These nerves collect and send information between the brain and parts of the body – mostly the neck and head.

This long nerve makes up 3/4 of the nerve tissue in your parasympathetic nervous system. In fact, the vagus nerve is the longest of any of the 12 cranial nerves. What Does the Vagus Nerve Do?

"So it just makes sense that the nervous system also controls the cancers that unfortunately develop in many of us," said Dr. Moran Amit, a cancer biologist and head and neck surgeon at the M.D ...