Advocates for medical marijuana have heralded it as a potential solution to the opioid crisis, pointing to research that showed a possible link between laws allowing its use and a reduction in rates of opioid deaths. But that association doesn’t hold up in the long term, according to a new study released Monday. The rate of deaths from opioid overdose increased by 22.7% on average from 1999 to 2017 in states that had legalized medical marijuana, according to the paper published online in the Proceedings of the National Academy...

Source: Wall Street Journal June 10, 2019 19:01 UTC