The brain is the control center of the body. It controls thoughts, memory, speech and movement. It regulates the function of many organs. When the brain is healthy, it works quickly and automatically. However, when problems occur, the results can be devastating.
The nervous system controls the many complicated and interconnected functions of the body and mind. Motor, sensory, cognitive and autonomic function are all coordinated and driven by the brain and nerves. As people age, nerve cells deteriorate in number and facility, causing some lessening in function.