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A member asked:
If the brain has no sensory neurons (no anesthetic needed for surgery), what causes headaches?
4 doctors weighed in across 2 answers
Meninges: The outside layers including the meninges and dura have lots of sensory nerves. Pain is very complex. Essentially all pain is in the brain since that is our end-organ of perception.
Answered 6/7/2015
5.2k views
Multiple sources: Headaches can result from sinus pressure ; both sinusitis and changes in barometric pressure. Tension headaches can result from increased muscle tone . Nerves that run up the back of the head cause headaches (occipital nerves). Finally , the upper spine (cervical spine) has several sources of headache generators.
Answered 5/2/2013
5.2k views
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