Clarissa Janousch

January 29, 2026

Something is not nothing: Hair-tested substance use and cognitive functions in a large community sample of young adults

Abstract Background: Substance use has consistently been linked with cognitive impairments. However, most previous studies have focused on highly selective…

January 27, 2026

How do substance and polysubstance use trajectories differ by sexual attraction from ages 17 to 24? A community-based longitudinal cohort study in Switzerland

Abstract Introduction: Longitudinal, population-based studies of how youth substance use (SU) varies by sexual attraction, sex and their interaction remain…

August 26, 2025

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

Abstract Background: Cannabis use in young adulthood is common, yet few studies have explored how it predicts changes in psychopathology…