UW News

Marijuana


August 13, 2024

Q&A: Using marijuana can worsen outcomes for young adults with psychosis – how can mental health professionals help them stop?

A cropped shot of a person holding a marijuana plant.

Young adults with psychosis tend to use cannabis at extremely high rates, and their symptoms can be exacerbated by long-term marijuana use. A team of University of Washington researchers is focused on this particular group. 


June 18, 2019

Study: Marijuana use increases, shifts away from illegal market

A new article published by researchers from University of Puget Sound and University of Washington reports that, based on analysis of public wastewater samples in at least one Western Washington population center, cannabis use both increased and substantially shifted from the illicit market since retail sales began in 2014.


April 13, 2016

UW study aimed at users of both marijuana and tobacco

If you’re looking to give up marijuana and possibly cigarettes as well, a group of researchers at the University of Washington would like to hear from you. The Innovative Programs Research Group, an organization in the UW School of Social Work, is recruiting people 18 and older for a free marijuana and tobacco treatment trial….


December 29, 2015

No easy answers in UW study of legal marijuana’s impact on alcohol use

Does legal marijuana tempt pot users to consume more alcohol — or are they likely to opt for cannabis instead of chardonnay? A University of Washington team of researchers sought to address those questions in the context of evolving marijuana policies in the United States. Their findings, published online Dec. 21 in the journal Alcoholism:…


March 9, 2015

Study shows teens and adults hazy on Washington marijuana law

More than two years after Washington legalized marijuana, parents and teens may be hazy on the specifics of the law, if the findings of a new study are any indication. University of Washington research, published recently in Substance Use & Misuse, found that only 57 percent of Washington parents surveyed knew the legal age for…