Opioids are substances that act on opioid receptors to produce morphine-like effects.[1] Opioids are most often used medically to relieve pain,[2] and by people addicted to opioids.[3] Opioids include opiates, an older term that refers to such drugs derived from opium, including morphine itself.[4] Other opioids are semi-synthetic and synthetic drugs such as hydrocodone, oxycodone and fentanyl;Continue reading “Pain, Opiods, Liver, Brain and Death”