CannabisMarijuana AbuseMarijuana SmokingDronabinolCannabidiolCannabinoidsPsychoses, Substance-InducedCannabinolStreet DrugsSubstance Withdrawal SyndromeSubstance Abuse DetectionSubstance-Related DisordersReceptor, Cannabinoid, CB1Psychotic DisordersHallucinogensDiagnostic and Statistical Manual of Mental DisordersPsychotropic DrugsCannabinoid Receptor AgonistsAlcohol DrinkingAge of OnsetStudent DropoutsCannabinoid Receptor ModulatorsDiseases in TwinsParanoid DisordersDiagnosis, Dual (Psychiatry)Gas Chromatography-Mass SpectrometryDrug UsersPsychiatric Status Rating ScalesAlcoholismProdromal SymptomsReceptors, CannabinoidSchizophreniaSocial EnvironmentTobacco Use DisorderSmokingTwins, DizygoticRisk FactorsAdolescent BehaviorCocaPrecipitating FactorsPhencyclidine AbuseBehavior, AddictiveComorbidity