How Bars and Nightclubs Can Help Prevent Fentanyl-Involved Deaths Cocaine should not be deadly! – APRIL 28, 2020 - In New York City, nearly four in 10 deaths related to cocaine also involve fentanyl. People who use only cocaine have not developed tolerance to opioids, and may not ... Read More...Drug Abuse and AddictionfentanylMay 5 2020