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Ecological momentary insights into cannabis use and its contexts: a pre-post legalization study in Germany

Globally, cannabis ranks third in psychoactive substance prevalence after nicotine and alcohol, with heavy use linked to psychosis, anxiety, and depression. However, real-time data on how legal reforms influence consumption remain scarce. This Ecological Momentary Assessment (EMA) study analyzed dai...

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Autori principali: Diallo, Louisa Madeleine (Autore) , Spitta, Gianna (Autore) , Krasniqi, Samanda (Autore) , Bahr, Nadja Samia (Autore) , Doerr, Sabrina (Autore) , Reichert, Dominic (Autore) , Reichert, Markus (Autore) , Wiedenhoeft, Jan-Luca (Autore) , Priemer, Ulrich Ebner (Autore) , Banaschewski, Tobias (Autore) , Heinz, Andreas (Autore) , Arntz, Fabian (Autore) , Rapp, Michael A. (Autore)
Natura: Article (Journal)
Lingua:inglese
Pubblicazione: 05 September 2026
In: Scientific reports
Year: 2026, Volume: 16, Pages: 1-9
ISSN:2045-2322
DOI:10.1038/s41598-026-70148-7
Accesso online:Verlag, kostenfrei, Volltext: https://doi.org/10.1038/s41598-026-70148-7
Verlag, kostenfrei, Volltext: https://www.nature.com/articles/s41598-026-70148-7
Testo
Note sull'autore:Louisa Diallo, Gianna Spitta, Samanda Krasniqi, Nadja Samia Bahr, Sabrina Doerr, Dominic Reichert, Markus Reichert, Jan-Luca Wiedenhoeft, Ulrich Ebner Priemer, Tobias Banaschewski, Andreas Heinz, Fabian Arntz & Michael A. Rapp
Descrizione
Riassunto:Globally, cannabis ranks third in psychoactive substance prevalence after nicotine and alcohol, with heavy use linked to psychosis, anxiety, and depression. However, real-time data on how legal reforms influence consumption remain scarce. This Ecological Momentary Assessment (EMA) study analyzed daily cannabis use patterns before and after Germany’s recreational cannabis decriminalization in April 2024 in 49 individuals (34.7% women, age 33.8 ± 11 years). Following the legal reform, a selective increase in consumed amounts among younger individuals (β = 0.01, 95%CI = 0.00-0.02, z = 3.05) was observed. Further, consumed amounts increased in outdoor (β = 0.19, 95%CI = 0.04-0.34, z = 2.51) but decreased in public settings (β = -0.46, 95%CI = -0.66 - -0.25, z = -4.36), and consumption was more likely to occur on holidays (β = 3.91, 95%CI = 1.68-9.08, z = 3.17). All ps < 0.05. By capturing the immediate post-legalization period, this study contributes to important early insights to inform prevention, treatment, and regulation.
Descrizione del documento:Gesehen am 17.09.2026
Descrizione fisica:Online Resource
ISSN:2045-2322
DOI:10.1038/s41598-026-70148-7

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