endorphin

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Related to Endorphine: dopamine, oxytocin, serotonin

endorphin

any of a class of polypeptides, including enkephalin, occurring naturally in the brain, that bind to pain receptors and so block pain sensation
References in periodicals archive ?
The experience of warm water on one's skin helps with endorphine release, and being able to submerge in a tub can help take the pressure off of some of the lower extremities.
Apparently, hearing your own voice triggers the part of the brain that registers pleasure and releases feel good chemicals called endorphines.
Also, when people are relaxed, they have higher levels of the hormone endorphine, which aids conception.