September 25, 2023


Hashish use dysfunction (CUD) is frequent in a state the place leisure use is authorized, with average to extreme CUD most prevalent amongst people who use it for nonmedical causes, new analysis reveals.


  • As of June 2023, 38 US states have legalized medical hashish, and of those, 23 have legalized leisure use.

  • The research, performed by Kaiser Permanente in Washington State, the place leisure hashish use is authorized, included 1463 predominantly middle-aged and feminine members who reported previous 30-day hashish use on a confidential survey.

  • Researchers categorized sufferers by cause for utilizing hashish (medical use solely, nonmedical use solely, or each causes) and decided CUD analysis and severity.

  • Respondents had been additionally requested about modes of hashish use, together with inhalation (smoking, vaping), ingestion (consuming, ingesting), and utility (lotion, ointment), and frequency of use.


  • About 42.4% of respondents (95% CI, 31.2%-54.3%) reported medical use solely, 25.1% (95% CI, 17.8%-34.2%) nonmedical use solely, and 32.5% (95% CI, 25.3%-40.8%) reported each causes to be used.

  • The prevalence of any CUD was 21.3% (95% CI, 15.4%-28.6%) and didn’t differ relying on the explanation to be used.

  • Nevertheless, the prevalence of average to extreme CUD was 6.5% (95% CI, 5.0%-8.6%) and differed throughout teams: 1.3% (95% CI, 0.0%-2.8%) for medical use solely, 7.2% (95% CI, 3.9%-10.4%) for nonmedical use solely, and seven.5% (95% CI, 5.7%-9.4%) for each causes to be used (P = .01).

  • The commonest main modes of use had been utility for sufferers with medical use solely (36.1), and inhalation for these with nonmedical use solely (59.5%) and people with each causes to be used (69.4%).

  • Sufferers who reported each causes to be used (medical and nonmedical) had been extra doubtless to make use of hashish three or extra instances per day, with 71.8% utilizing hashish 4 or extra days per week.


Figuring out CUD and gauging its severity “can assist engagement round signs, shared decision-making, and providing of remedy if desired, particularly for sufferers with average to extreme CUD who could profit most from remedy,” the researchers write.


The research was performed by Gwen T. Lapham, PhD, MPH, MSW, Kaiser Permanente Washington Well being Analysis Institute, Seattle, and colleagues. It was revealed on-line August 29 in JAMA Network Open .


The survey response price (34%) was decrease than desired. Outcomes could not generalize to sufferers exterior the healthcare system within the research, together with these in states with totally different hashish legal guidelines. The research couldn’t discover CUD prevalence by causes to be used throughout affected person traits (for instance, age, intercourse, race, ethnicity) and hashish measures (for instance, mode and frequency of use).


The research was supported by the Nationwide Institute on Drug Abuse Medical Trials Community. Authors Lapham, Theresa E. Matson, PhD, MPH, Jennifer F. Bobb, PhD, and Katharine A. Bradley, MD, MPH, all from Kaiser Permanente Washington Well being Analysis Institute, reported grants from the Nationwide Institute on Drug Abuse through the conduct of the research; no different disclosures had been reported.

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