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

"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 ...

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.

While men relieve pain by releasing endogenous opioids, the body's natural painkillers, women rely instead on other, ...