Cannabis use and cannabis use disorders have taken on a new social significance as a result of partial legalization. In 2021 a total of 4.5 million adults (8.8%) in Germany used the drug. The number of users as well as problematic use have risen in the last decade. Cannabis products with a high delta-9-tetrahydrocannabinol (THC) content and their regular use lead to changes in cannabinoid receptor distribution in the brain and to modifications in the structure and functionality of relevant neuronal networks. The consequences of cannabinoid use are particularly in the psychological functioning and can include intoxication, harmful use, dependence with withdrawal symptoms and cannabis-induced mental disorders. Changes in the diagnostics between ICD-10 and ICD-11 are presented. Interdisciplinary S3 guidelines on cannabis-related disorders are currently being developed and will be finalized shortly.
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NIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USANIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USA
Merikangas, Kathleen R.
Li, Julan Julia
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Yale Univ, Sch Med, Dept Epidemiol & Publ Hlth, New Haven, CT 06510 USANIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USA
Li, Julan Julia
Stipelman, Brooke
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NIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USANIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USA
Stipelman, Brooke
Yu, Kelly
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NIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USANIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USA
Yu, Kelly
Fucito, Lisa
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NIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USANIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USA
Fucito, Lisa
Swendsen, Joel
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Univ Bordeaux, Natl Ctr Sci Res, CNRS 5231, Bordeaux, FranceNIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USA
Swendsen, Joel
Zhang, Heping
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Yale Univ, Sch Med, Dept Epidemiol & Publ Hlth, New Haven, CT 06510 USANIMH, Sect Dev Genet Epidemiol, Intramural Res Program, NIH,Dept Hlth & Human Serv, Bethesda, MD 20814 USA