1. Prevalence of marijuana use does not differentially increase among youth after states pass medical marijuana laws: Commentary on Stolzenberg et al. (2015) and reanalysis of US National Survey on Drug Use in Households data 2002–2011 Wall, Melanie M.; Mauro, Christine Marie; Hasin, Deborah S.; Keyes, Katherine M.; Cerdá, Magdalena; Martins, Silvia S.; Feng, Tianshu 2016 Articles MarijuanaMarijuana--Therapeutic useMarijuana--Therapeutic use--Law and legislationYouth--Drug useDrug abuseDrug abuse--EpidemiologyCannabis