O n November 6, 2012, voters in Colorado and Washington moved to legalize the use and sale of marijuana by adults 21 and older. The passage of Amendment 64, which amended the Colorado constitution, and Initiative 502, which amended the Revised Code of Washington, marked “an electoral first not only for America but the world.”1 In response to the legalization of recreational marijuana, Colorado ...

On January 1, 2014, Colorado became the first state in the nation to sell legal recreational marijuana for adult use. As a result, Colorado has had to carefully examine potential population health and safety impacts as well as the role of public health in response to legalization. We have discussed an emerging public health framework for legalized recreational marijuana. We have outlined this f...

Notwithstanding a century of prohibition, marijuana is the most widely used illicit substance in Canada. Due to the growing public acceptance of recreational marijuana use and ineffectiveness of the existing control system in Canada, the issue surrounding legalizing this illicit drug has received considerable public and political attentions in recent years. Consequently, the newly elected Liber...

The medicinal and recreational use of cannabis has been controversial, especially in the United States. Marijuana for medicinal use is approved in 14 U.S. states and has recently been considered for legalization in several additional states. Given its demonstrated efficacy in symptom management, marijuana has a potential role in palliative care. This study utilized a 16-item questionnaire to as...

a recent editorial in this journal provides a summary of key economic, social, and public health considerations of the forthcoming legislation to legalize, regulate, and restrict access to marijuana in canada. as our government plans to implement an evidence-based public health framework for marijuana legalization, we reflect and expand on recent discussions of the public health implications of...

We analyze marijuana use by college undergraduates before and after legalization of recreational marijuana. Using survey data from the National College Health Assessment, we show that students at Washington State University experienced a significant increase in marijuana use after legalization. This increase is larger than would be predicted by national trends. The change is strongest among fem...

IMPORTANCE As of 2015, almost half of US states allow medical marijuana, and 4 states allow recreational marijuana. To our knowledge, the effect of recreational marijuana on the pediatric population has not been evaluated. OBJECTIVE To compare the incidence of pediatric marijuana exposures evaluated at a children's hospital and regional poison center (RPC) in Colorado before and after recreat...

BACKGROUND Dabbing is an emerging method of marijuana ingestion. However, little is known about dabbing owing to limited surveillance data on dabbing. OBJECTIVE The aim of the study was to analyze Google search data to assess the scope and breadth of information seeking on dabbing. METHODS Google Trends data about dabbing and related topics (eg, electronic nicotine delivery system [ENDS], a...

In 2000, voters in Colorado approved an amendment to the state constitution to legalize medical marijuana. In 2009, the U.S. Department of Justice indicated that patients complying with medical marijuana laws would not be a priority for prosecution. The state subsequently experienced widespread growth in in the number of individuals with a medical marijuana card and in marijuana dispensaries. I...