A recent study challenges the role that legalizing medical marijuana might play in easing the opioid epidemic.
There is little evidence to suggest that fatal car accidents increase on April 20 (4/20), an annual holiday that celebrates marijuana.
A new study records discrepancies in the reporting of cases of newborn exposure to illicit substances to state agencies in Illinois.
A new working paper from scholars at the University of Connecticut and Georgia State University finds that alcohol sales decreased in states that have legalized medical marijuana since 2006. As of late 2017, medical marijuana is legal in 29 states and the District of Columbia; recreational marijuana is legal in eight states and D.C.
Crime and drunk driving tend to fall after marijuana legalization, according to a 2016 research review.