<prompt> Which of the following is not an environmental risk factor for schizophrenia?Cannabis useMigrationHigher socioeconomic statusObstetric complications  <response>: Environmental risk factor for schizophrenia - Environmental factors can predispose to the development of schizophrenia, precipitate the onset, provoke relapse after initial recovery, and maintain the disorder in persisting cases. Risk factor Relative risk ofdeveloping schizophrenia Predisposing Genetic Monozygotic twin of a schizophrenic patient 40 Dizygotic twin of a schizophrenic patient 15 Child of a schizophrenic patient 10-15 Sibling of a schizophrenic patient 10-15 Environmental Abnormalities of pregnancy and delivery 2 Maternal influenza second trimester 2 Migration 2 2 Winter bih 1.1 1.1 Precipitating Early cannabis consumption 2 Genes associated with schizophrenia Disc 1disrupt in schizophrenia COMT catechol o methyl transferese NRG 1 neuregulin GRM 3 glutamate receptor metabotropic RGS -4 regulator of g protein signaling DAOA d amino acid oxidase activator 