Water is necessary for the life.
In our body, arterial blood is the "fresh water", nutrilizes indivadle orgen and keeps the body healthy.
The caliber of the arteriy is innervated by the spine nerve, which is from intervertebral foramen.
When the envirement of the spine nerve (soft tissue along the vertebral spine) is disorder, our body is unhealthy.
Keep this enviroment friendly, our life will be happy.