Wave of overdoses with little-known drug raises alarm amid opioid crisis
from Scientific American
Veterinarians know this opioid as a powerful elephant sedative. Security hawks know it too, thanks to its apparent use by the Russian government to put down a hostage crisis in 2002 (yes, really). But in the past year more U.S. doctors and paramedics are getting first-hand knowledge about the deadly effects of carfentanil from users who have overdosed on it.
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