Endorphins and enkephalins.
D015670:Acupuncture Therapy; D000818:Animals; D001519:Behavior / Q000187:drug effects; D001794:Blood Pressure / Q000187:drug effects; D001831:Body Temperature / Q000187:drug effects; D001923:Brain Chemistry; D055598:Chemical Phenomena; D002621:Chemistry; D004723:Endorphins / Q000494:pharmacology / Q000502:physiology / Q000627:therapeutic use; D004745:Enkephalins / Q000494:pharmacology / Q000502:physiology / Q000627:therapeutic use; D006801:Humans; D010146:Pain / Q000188:drug therapy; D005082:Physical Exertion / Q000187:drug effects; D010902:Pituitary Gland / Q000032:analysis; D010907:Pituitary Hormones / Q000378:metabolism; D051381:Rats; D011957:Receptors, Opioid / Q000502:physiology; D019966:Substance-Related Disorders / Q000188:drug therapy
D004723:Endorphins; D004745:Enkephalins; D010907:Pituitary Hormones; D011957:Receptors, Opioid