This review provides an overview of the changing US epidemiology of cannabis use and
associated problems. Adults and adolescents increasingly view cannabis as harmless, and …

Cannabis is widely used among adolescents and adults. In the US, marijuana laws have
been changing, and Americans increasingly favor legalizing cannabis for medical and …

Background: The past decade has seen unprecedented shifts in the cannabis policy
environment, and the public health impacts of these changes will hinge on how they affect …

Importance Laws and attitudes toward marijuana in the United States are becoming more
permissive but little is known about whether the prevalence rates of marijuana use and …

Objective: Attitudes toward marijuana are changing, the prevalence of DSM-IV cannabis use
disorder has increased, and DSM-5 modified the cannabis use disorder criteria. Therefore …

Importance Historical shifts are occurring in marijuana policy. The effect of legalizing
marijuana for recreational use on rates of adolescent marijuana use is a topic of …

Since DSM-IV was published in 1994, its approach to substance use disorders has come
under scrutiny. Strengths were identified (notably, reliability and validity of dependence), but …

Legalization of medical marijuana has been one of the most controversial areas of state
policy change over the past twenty years. However, little is known about whether medical …

Abstract In the United States, policies regarding the medical and nonmedical use of
cannabis are changing rapidly. In 2021, a total of 34 US states have legalized cannabis for …

This paper sheds light on previous inconsistencies identified in the literature regarding the
relationship between medical marijuana laws (MMLs) and recreational marijuana use by …