In a breakthrough finding, researchers have discovered that immune cells near the spinal cord are triggered by estrogen and ...

To evaluate the role of endogenous opiates in chemotherapy-induced nausea and vomiting, the narcotic-antagonist naloxone was administered to six pediatric patients receiving cancer chemotherapy.

"For a long time, everybody thought that the runner's high was caused by the activation of the endogenous opiate system, but we are now beginning to think it is actually the endogenous cannabinoid ...

While men relieve pain by releasing endogenous opioids, the body's natural painkillers, women rely instead on other, non-opioid based pathways. The findings are published in the journal PNAS Nexus.

reward and opioid effects. Sugar addiction seems to be dependence to the natural endogenous opioids that get released upon sugar intake. In both animals and humans, the evidence in the literature ...