Cause
The cause of tension headaches is not clear. Experts believe there may be more than one factor that causes a tension headache. In the past, doctors believed that tension or spasms of the muscles of the neck, face, jaw, head, or scalp played a role in causing these headaches. Now they think a change in brain chemistry may also help cause a tension headache.
Author:
Monica Rhodes
Last Updated: 07/30/2007
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