Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Bell's palsy to Black Friday

Bell's palsy

muscles

Bell's palsy, nerve disorder that causes paralysis of one side of the face. Thought to be due to a virus infection, Bell's palsy occurs most often in young men. It begins suddenly with a dull ache behind the jaw and weakened facial muscles. The paralyzed muscles usually begin to recover within ten days or so.

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