While there’s not a known cause for Bell’s palsy, it affects between 30,000 and 40,000 Americans every year. It can affect anyone, but most people with Bell’s palsy fall between the ages of 20 and 40.

Bell’s palsy is a neurological condition that affects the facial nerve on one side of your face, resulting in paralysis or weakness. One way to help improve muscle strength and movement control is ...

Dear Dr. Donohue: I am having double vision. My eye doctor said I have third-nerve palsy. Have you ever heard of third-nerve palsy? How long does it last? _ H.H. Dear H.H.: The nerve implicated here ...