Associations between adolescent cannabis use and young-adult functioning in three longitudinal twin studies

• DOI: 10.1073/pnas.2013180118
• Publication Date: 2021-03-29T20:25:14Z
• Authors: Jonathan D. Schaefer; Nayla R. Hamdi; Stephen M. Malone; Scott Vrieze; Sylia Wilson; Matt McGue; William G. Iacono
• Keywords: Longitudinal Study; Early adulthood; Adolescent Development; Longitudinal data

Observational studies have linked cannabis use to an array of negative outcomes, including psychiatric symptoms, cognitive impairment, and educational occupational underachievement. These associations are particularly strong when occurs in adolescence. Nevertheless, causality remains unclear. The purpose the present study was thus examine between prospectively assessed adolescent young-adult outcomes (psychiatric, cognitive, socioeconomic) three longitudinal twins (