Prodromal SymptomsPsychotic DisordersSchizotypal Personality DisorderSchizophreniaPsychoses, Substance-InducedPsychiatric Status Rating ScalesSchizophrenic PsychologyDelusionsHallucinationsSyncope, VasovagalTilt-Table TestAffective Disorders, PsychoticDeath, SuddenParanoid DisordersAntipsychotic AgentsRisk FactorsRecurrenceSchizophrenia, ParanoidSchizophrenia, ChildhoodBipolar DisorderTime FactorsMarijuana AbuseRisperidoneBehavioral SymptomsDiagnostic and Statistical Manual of Mental DisordersSeverity of Illness IndexDepressionMental DisordersMood DisordersInterview, PsychologicalDelirium, Dementia, Amnestic, Cognitive DisordersCannabisExpressed EmotionPsychometricsNeuropsychological TestsPrevalenceBrief Psychiatric Rating ScaleHaloperidolCognition DisordersStress Disorders, Post-TraumaticFollow-Up StudiesQuestionnairesBody Dysmorphic DisordersLongitudinal StudiesAge of OnsetElectroconvulsive TherapyTreatment OutcomeHospitals, PsychiatricDepressive Disorder, MajorDibenzothiazepinesComorbiditySymptom AssessmentCognitive TherapyAntimanic AgentsBullyingCannabidiolDepressive DisorderClozapineProspective StudiesSocial AdjustmentAnxietyCase-Control StudiesDiagnosis, Dual (Psychiatry)Community Mental Health ServicesSubstance-Related DisordersMagnetic Resonance ImagingBrainCross-Sectional StudiesBasal Ganglia DiseasesKetamineViolencePersonality DisordersBenzodiazepinesAnalysis of VarianceChild AbuseAmphetamine-Related DisordersPsychotropic DrugsStress, PsychologicalLife Change EventsEarly DiagnosisIntelligence TestsAffective SymptomsAge FactorsRetrospective StudiesMethamphetamineSex FactorsSubstance Withdrawal SyndromeDrug Therapy, CombinationReproducibility of ResultsHospitalizationSelf Disclosure