What are opioids and why are they dangerous? - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/prescription-drug-abuse/expert-answers/what-are-opioids/faq-20381270
WebMar 21, 2018 · Opioids are a broad group of pain-relieving drugs that work by interacting with opioid receptors in your cells. Opioids can be made from the poppy plant — for example, morphine (Kadian, Ms Contin, others) — or synthesized in a laboratory — for example, fentanyl (Actiq, Duragesic, others).
DA: 27 PA: 59 MOZ Rank: 83