An important public concern surrounding the legalization of recreational marijuana is its
impact on offenses related to hard drugs such as heroin, cocaine, and other dangerous …

Laws regarding cannabis are rapidly changing in the USA as more states legalize
nonmedical cannabis for adults aged 21 and older. Previous research has examined …

As more states legalize recreational marijuana use, we must invest in research that captures
the substantial heterogeneity in ways that states operationalize legalization, and that …

The claim that the adverse health effects of cannabis are much less serious than those of
alcohol has been central to the case for cannabis legalisation. Regulators in US states that …

Background There is speculation that enrollment in US state medical cannabis programs
differs depending on whether adult recreational cannabis use is legal. If true, this could have …

This is a comment on" Expected lessons from the US experience with alternative cannabis
policy regimes." Addiction. 2016 Dec; 111 (12): 2090-2091. This is a comment on" The …

Background As of 2021, 21 US states and territories allowed recreational cannabis use.
Although previous research has identified an overall increase in prevalence of cannabis use …

Objectives: With the legalization of nonmedicinal cannabis in 2018, it is important to
understand how cannabis use has changed postlegalization. Legalization of cannabis also …

Objective: Rapid shifts toward cannabis liberalization in the United States have created
immense policy variability that is challenging to measure. We developed composite …

Cannabis use has been more prevalent among men than women and prior work has found
differing impact of recreational cannabis laws (RCL) by age. We examined changes in the …