Back and neck pain can be caused by long-term conditions or sudden injury.

Balance disorders cause dizziness or unsteadiness and may interfere with performing daily tasks.

Cerebrovascular disease describes any disorder that affects the blood vessels of the brain.

Epilepsy is a disorder that causes recurrent seizures, usually diagnosed after two or more seizures.

Many disorders or conditions can affect short- and long-term memory.

Movement disorders affect the body's ability to move at will and often cause involuntary movements.

A stroke occurs when blood flow to the brain is cut off or interrupted and requires immediate medical attention.