Cannabis use is associated with changes in psychological and functional well-being during young adulthood: evidence from self-reports and hair analyses.

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Titel: Cannabis use is associated with changes in psychological and functional well-being during young adulthood: evidence from self-reports and hair analyses.
Autoren: Johnson-Ferguson L; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland.; Experimental Pharmacopsychology and Psychological Addiction Research, Department of Psychiatry, Psychotherapy, and Psychosomatics, https://ror.org/01462r250University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland., Loher M; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland., Bechtiger L; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland., Janousch C; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland.; Experimental Pharmacopsychology and Psychological Addiction Research, Department of Psychiatry, Psychotherapy, and Psychosomatics, https://ror.org/01462r250University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland., Baumgartner MR; Center for Forensic Hair Analytics; Zurich Institute of Legal Medicine, University of Zurich, Zurich, Switzerland., Binz TM; Center for Forensic Hair Analytics; Zurich Institute of Legal Medicine, University of Zurich, Zurich, Switzerland., Ribeaud D; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland., Eisner M; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland.; Institute of Criminology, https://ror.org/013meh722University of Cambridge, Cambridge, UK., Quednow BB; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland.; Experimental Pharmacopsychology and Psychological Addiction Research, Department of Psychiatry, Psychotherapy, and Psychosomatics, https://ror.org/01462r250University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland.; Neuroscience Center Zurich, ETH Zurich and University of Zurich, Zurich, Switzerland., Shanahan L; Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland.; Department of Psychology, University of Zurich, Zurich, Switzerland.
Quelle: Psychological medicine [Psychol Med] 2025 Aug 26; Vol. 55, pp. e246. Date of Electronic Publication: 2025 Aug 26.
Publikationsart: Journal Article
Sprache: English
Info zur Zeitschrift: Publisher: Cambridge University Press Country of Publication: England NLM ID: 1254142 Publication Model: Electronic Cited Medium: Internet ISSN: 1469-8978 (Electronic) Linking ISSN: 00332917 NLM ISO Abbreviation: Psychol Med Subsets: MEDLINE
Imprint Name(s): Publication: London : Cambridge University Press
Original Publication: London, British Medical Assn.
MeSH-Schlagworte: Dronabinol*/adverse effects , Dronabinol*/analysis , Marijuana Use*/adverse effects , Marijuana Use*/psychology , Mental Disorders*/chemically induced , Psychological Well-Being*, Humans ; Young Adult ; Cannabis ; Hair Analysis ; Psychopathology ; Self Report
Abstract: Background: Cannabis use in young adulthood is common, yet few studies have explored how it predicts changes in psychopathology and functional well-being in community samples. We assessed these links using both self-reported frequency of cannabis use and hair THC concentrations.
Methods: Data came from a community sample of young adults ( N  = 863) who reported cannabis use (weekly-to-daily use: n  = 150) and provided hair samples at age 20 (cannabis detected: n  = 110). Liquid chromatography-tandem mass spectrometry quantified delta-9-tetrahydrocannabinol (THC) and cannabinol (CBN) concentrations in hair. At ages 20 and 24, participants reported psychopathology (psychotic-like experiences, problematic substance use, internalizing symptoms, and aggression) and functional wellbeing (general well-being, delinquency, and not being in employment, education, or training). Multiple linear and logit regression models tested associations between six different continuous and dichotomous operationalizations of self-reported and objective cannabis exposure at age 20 and psychological and functional well-being at age 24, adjusting for sex, sociodemographic characteristics, and the outcomes measured at age 20.
Results: Both self-reported frequency of cannabis use and hair THC concentrations predicted increases in psychotic-like experiences and internalizing symptoms, increased aggression, decreased general well-being, higher odds of not being in employment, training, or education, and more problematic substance use from age 20 to 24, with small effect sizes. Composite exposure scores derived from self-reports and hair data were not more informative than either source alone.
Conclusions: Frequent cannabis use predicted adverse changes in psychopathological outcomes from ages 20 to 24, regardless of how it was assessed.
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Grant Information: 10531C_189008 Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Contributed Indexing: Keywords: THC; cannabis; functional well-being; hair; psychopathology; young adulthood
Substance Nomenclature: 7J8897W37S (Dronabinol)
Entry Date(s): Date Created: 20250826 Date Completed: 20250827 Latest Revision: 20250904
Update Code: 20250904
PubMed Central ID: PMC12404324
DOI: 10.1017/S003329172510144X
PMID: 40856282
Datenbank: MEDLINE
Beschreibung
Abstract:Background: Cannabis use in young adulthood is common, yet few studies have explored how it predicts changes in psychopathology and functional well-being in community samples. We assessed these links using both self-reported frequency of cannabis use and hair THC concentrations.<br />Methods: Data came from a community sample of young adults ( N  = 863) who reported cannabis use (weekly-to-daily use: n  = 150) and provided hair samples at age 20 (cannabis detected: n  = 110). Liquid chromatography-tandem mass spectrometry quantified delta-9-tetrahydrocannabinol (THC) and cannabinol (CBN) concentrations in hair. At ages 20 and 24, participants reported psychopathology (psychotic-like experiences, problematic substance use, internalizing symptoms, and aggression) and functional wellbeing (general well-being, delinquency, and not being in employment, education, or training). Multiple linear and logit regression models tested associations between six different continuous and dichotomous operationalizations of self-reported and objective cannabis exposure at age 20 and psychological and functional well-being at age 24, adjusting for sex, sociodemographic characteristics, and the outcomes measured at age 20.<br />Results: Both self-reported frequency of cannabis use and hair THC concentrations predicted increases in psychotic-like experiences and internalizing symptoms, increased aggression, decreased general well-being, higher odds of not being in employment, training, or education, and more problematic substance use from age 20 to 24, with small effect sizes. Composite exposure scores derived from self-reports and hair data were not more informative than either source alone.<br />Conclusions: Frequent cannabis use predicted adverse changes in psychopathological outcomes from ages 20 to 24, regardless of how it was assessed.
ISSN:1469-8978
DOI:10.1017/S003329172510144X