Developing cannabis use disorder is relatively common in Washington state, one of the first states to fully legalize cannabis, and can even occur in people who only use medical marijuana, according to a new study.
“There’s a perception that people who are using marijuana for medical reasons have a lower risk of a cannabis use disorder,” said lead author Gwen Lapham, assistant professor at Kaiser Permanente Bernard J. Tyson School of Medicine.
To have cannabis use disorder, or CUD, a person must have two or more of such symptoms as craving weed, becoming tolerant, using more than intended, using marijuana even though it causes problems in life, using it in high-risk situations, experiencing withdrawal and being unable to quit, according to the US Centers for Disease Control and Prevention.
The study, published Tuesday in JAMA Network Open, quizzed nearly 110,000 patients of a Kaiser Permanente integrated health system in Washington State about their attitudes towards marijuana, then asked 5,000 of those more confidential questions about their use of weed in the past year. Only those who reported cannabis use in the past 30 days, or 1,500 people, were included in the study.
One of the key findings was how frequently people used marijuana, said Dr. Alexandre Dumais, associate clinical professor of psychiatry at the University of Montreal, who was not involved in the research.
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