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A member asked:

Supposing that the brain feels no pain, then why do we get headaches?

A doctor has provided 1 answer

Outside brain: The pain is mediated via trigeminal nerve circuits and is focalized over the brain not within. A local inflammation involving multiple chemicals creates a sensation of discomfort which is recognized by brain circuits, but the pain emanates outside nerve cells and their internal brain connections.

Answered 4/14/2014

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