Objectives Twenty-eight states in the US have legalized medical marijuana, yet its impacts
on severe health consequences such as hospitalizations remain unknown. Meanwhile, the
prevalence of opioid pain reliever (OPR) use and outcomes has increased dramatically.
Recent studies suggested unintended impacts of legalizing medical marijuana on OPR, but
the evidence is still limited. This study examined the associations between state medical
marijuana policies and hospitalizations related to marijuana and OPR. Methods State-level …