The accessory nerve is a cranial nerve that controls the movement of certain neck muscles. It is coiled in appearance. It is divided into spinal and cranial divisions, but its cranial part is often ...

A preliminary study of 52,330 Israeli women found similar rates of heart attack, stroke, blood clots and early death among hormone therapy users and nonusers, though it cannot prove safety. Older ...

Spinal stenosis refers to the narrowing of the spinal canal, which is the space in the center of the vertebrae containing the spinal cord and nerve roots. At its most severe or final stage — known as ...