Schizophrenia is a chronic psychiatric disorder characterized by hallucinations, delusions, and decreased cognition. The risk factors of schizophrenia are: - family history of schizophrenia - drug abuse early in life - complications during gestation - autoimmune abnormalities - residence in urban areas - low-income social status Reference: https://www.psycom.net/schizophrenia-signs-causes Image via: https://www.sharecare.com/mental-health-behavior/factors-increase-schizophrenia-risk