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Subject: Coffe & a email


Author:
Qwigqwa
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Date Posted: 09:31:16 04/03/05 Sun

jun 1 21:14 thank m t for tims What causes pain?
Most pain is felt when special nerve endings, called nociceptors (no-si-SEP-turs), sense something is wrong. We have millions of nociceptors throughout our bodies--probably about 1,300 per square inch of skin. The nociceptors all have different jobs: Some detect burns, others cuts, infection, chemical changes, pressure, and many other sensations. Nociceptors use nerve impulses to send messages to other nerves, which move the messages on to the spinal cord and brain at lightning speed.
The brain interprets the messages as pain, sometimes through an "emotional screen" that remembers previous painful or frightening experiences. That might be why so many people have stronger pain at the dentist's office· Does the pain come from an area that has missing or injured nerves?

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