2. The spine is responsible for protecting the spinal cord which sends and receives messages from the brain. For it to preserve something so vital and essential to life, the spine must be strong while also allowing for mobility. For optimal health we must make sure that the brain signals can reach the body (& vice versa) in the best possible way. This is where chiropractic care comes in. Spinal adjustments help restore proper function to the nervous system which helps the body heal naturally.This is the 2nd of the 5 foundations of health.