Impact of partial cannabis legalisation in Luxembourg: An interdisciplinary perspective

Abstract Background: In 2023, Luxembourg partially legalised cannabis, permitting home cultivation and private-domain use. The current study aimed to evaluate the short-term impacts of this reform on consumption patterns, market dynamics, product potency, and cannabis-related driving-under-the-influence cases (DUI). Methods: An interdisciplinary approach was applied, combining data from cannabis seizures, wastewater analysis, toxicological data from DUI cases, and a WEB-based survey among adults who indicated to have used cannabis in the past 12 months. Indicators were compared before and after the