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Pain is an unpleasant sensory and emotional experience associated with actual or potential tissue damage. It serves as a warning signal to the body that something is wrong.
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Analgesics: Medications designed to relieve pain without causing loss of consciousness.
Nociceptors: Sensory receptors that detect signals from damaged tissues and relay this information to the brain.
Endorphins: Natural peptides produced by the body that act on the nervous system to reduce the perception of pain.