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Surprisingly, a headache is not a "brainache."
The brain, most of its membranes and the skull feel no pain at
all. That is why during brain surgery patients can be wide awake,
even talking to the doctors while their brains are being cut, probed or
otherwise tampered with (local anesthetic is use to numb the scalp).
But when the pain-sensitive parts - the arteries of the brain and skull, the dura mater that covers the brain and the cranial nerves - are infected, pulled, inflamed, stretched, compressed or irritated, headaches usually result. |
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