CannabisMarijuana AbuseMarijuana SmokingDronabinolCannabidiolCannabinoidsPsychoses, Substance-InducedCannabinolStreet DrugsSubstance Withdrawal SyndromeSubstance Abuse DetectionSubstance-Related DisordersPsychotic DisordersReceptor, Cannabinoid, CB1HallucinogensPsychotropic DrugsDiagnostic and Statistical Manual of Mental DisordersAlcohol DrinkingCannabinoid Receptor AgonistsAge of OnsetStudent DropoutsCannabinoid Receptor ModulatorsDiseases in TwinsParanoid DisordersDiagnosis, Dual (Psychiatry)Gas Chromatography-Mass SpectrometryPsychiatric Status Rating ScalesDrug UsersRisk FactorsAlcoholismProdromal SymptomsSocial EnvironmentTobacco Use DisorderReceptors, CannabinoidSmokingSchizophreniaTwins, DizygoticInsurance BenefitsComorbidityAdolescent BehaviorCocaPrecipitating FactorsLongitudinal StudiesBehavior, AddictivePhencyclidine AbusePhytotherapyTime FactorsAustraliaLegislation, DrugTwins, Monozygotic