Recent trends in Switzerland indicate a concerning rise in simultaneous polysubstance use among adolescents, a practice marked by the concurrent or sequential consumption of multiple psychoactive substances, notably alcohol and cannabis, alongside prescription medications (e.g. benzodiazepines) and illicit drugs, resulting in dozens of fatal outcomes. However, data on simultaneous polysubstance use and evidence-based approaches to effective prevention is lacking.
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Kiselev et al. (2024) studied this question.
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