endorphin

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endorphin

any of a class of polypeptides, including enkephalin, occurring naturally in the brain, that bind to pain receptors and so block pain sensation
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
It's also an incredible endorphin rush, and that's always fun!” TRX is growing in popularity at gyms and studios around the country, but The Barre Studio is currently the only place to find a class in Delray.
I found that with running, there was that endorphin rush, and I would feel that this was great when I was doing it, but there was always that inertia to gear up and do it because it was something so painful.
then the calm as the endorphin rush washed island resorts into our
She wrapped herself closely and tightly around me, and I hoped that the exhilaration of the ride, and the endorphin rush chat it could provoke, would stir a deeper level of attraction, beyond the friendship we had forged over the last few months-I knew that the physical intimacy of holding onto someone so tightly and the bonding that occurs from sharing the thrill of the ride could be a powerful aphrodisiac.
Add to that the endorphin rush that comes with each workout, and it's no wonder that Pedersen credits boxing with helping her overcome the feeling of inferiority.
Nobody has ever reported any brain science suggesting that you get an endorphin rush when you pay your tax bill.
Sex workers of the world unite: You have nothing to gain but your chains--and a serious endorphin rush. That's the message of most interviewees in "No Body Is Perfect," an informative survey of non-mainstream and seriously transgressive sexual practices and body art.
Feldman's team thought that blocking this endorphin rush might cause such people to lose some of their tanning enthusiasm; what they didn't expect was for some to develop withdrawal symptoms.
"But when the water broke evenly over that 34-foot weir, it was an endorphin rush," Giovanone adds.
From a biological perspective, the seratonergic system has been implicated in the pathophysiology of self-injury (Dallam, 1997; Simeon et al., 1992) as well as the idea that the endorphin rush associated with self-injury can lead to an addiction to the behavior (Pies & Popli, 1995).
Even if you don't know that Zapruder's frame 313 captures that instant when Kennedy's head is blown apart, the painting delivers an optical analogue of an endorphin rush before death.
It is thought that these drugs may inhibit the "endorphin rush" that maintains risktaking behaviors, Dr.