Associations between adolescent cannabis use and neuropsychological decline: a longitudinal co-twin control study.
Madeline H MeierAvshalom CaspiAndrea DaneseHelen L FisherRenate HoutsLouise ArseneaultTerrie E MoffittPublished in: Addiction (Abingdon, England) (2017)
Short-term cannabis use in adolescence does not appear to cause IQ decline or impair executive functions, even when cannabis use reaches the level of dependence. Family background factors explain why adolescent cannabis users perform worse on IQ and executive function tests.