Bell’s palsy
Bell's palsy is a form of facial paralysis with unknown causes. However most researchers believe Bell's palsy may be a virus that causes the inflammation and swelling on the facial nerve. The disorder, which is not related to stroke in conventional medicine, is the most common cause of facial paralysis. Bell's palsy affects about 40,000 people in the United States every year, and 20 per 100,000 population world-wide.
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