A new study by researchers at University of California San Diego has provided insights into why men and women experience and ...

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there is a substantial body of evidence from animal studies suggesting interactions between the endogenous opioid and endogenous cannabinoid systems. An assessment of these studies would have been ...

The best-known of these opioid neuropeptides are probably the endorphins – a portmanteau of 'endogenous morphine' – but there's a whole heap of them. Opioid drugs also bind strongly to ...

Sigwalt, André Roberto Guglielmo, Luiz Guilherme A. and Santos, Adair Roberto Soares 2010. High-Intensity Extended Swimming Exercise Reduces Pain-Related Behavior in Mice: Involvement of Endogenous ...

"The identification of sex-specific differences in the endogenous opioid system during acute pain relief has been largely overlooked," the researchers noted. Differences between pain-free and ...

While men relieve pain by releasing endogenous opioids, the body's natural painkillers, women rely instead on other, non-opioid based pathways. Synthetic opioid drugs, such as morphine and ...

But what causes this legendary "runner's high?" For decades, scientists have suspected that endorphins and other "endogenous opioids"—pain killers made by our own bodies—are at play ...

Participants underwent a meditation training program and practiced meditation while receiving either a placebo or a high dose of naloxone, a drug that stops both synthetic and endogenous opioids ...