All opioid drugs—from poppy-derived opium to heroin—Focus on receptors which can be naturally existing from the brain and elsewhere in the body. 1 these receptor, the mu-opioid receptor, binds to organic agony-killers in the body referred to as endogenous endorphins and enkephalins. In this instance, the main predicate is https://henryg384zrh9.life-wiki.com/user