Even the simplest body movements require communication between the central nervous system, nerves and muscles. If any of these are affected, it can lead to Parkinson’s disease, dystonia or another movement disorder.

Including Alzheimer’s, there are more than 100 types of conditions related to a loss in the brain functions responsible for thinking, some of which are treatable.

ALS affects nerve cells that control voluntary muscle movements. This progressive disease ultimately impacts essential actions such as breathing, eating, moving and speaking.

A traumatic brain injury is a violent blow to the head or body by an external force, which causes a disruption in the normal function of the brain.