Legalizing medical marijuana does not reduce the rate of fatal opioid overdoses, according to researchers at the Stanford University School of Medicine.
The finding contradicts a 2014 study that legal-pot advocates, public officials and even physicians have touted as a reason to legalize marijuana. That study found lower rates of fatal opioid overdoses in the states that had legalized marijuana for medical purposes than in states where marijuana remained illegal.
The Stanford study, which revisited the issue after many more states had legalized medical marijuana, found no evidence of a connection between opioid deaths and the availability of medical cannabis, said Keith Humphreys, Ph.D., professor of psychiatry and behavioral sciences.
“If you think opening a bunch of dispensaries is going to reduce opioid deaths, you’ll be disappointed,” Humphreys said. “We don’t think cannabis is killing people, but we don’t think it’s saving…