There's also new research linking an immune response to a virus as a reason for schizophrenia, which could explain living in urban centers (aka being in constan

There's also new research linking an immune response to a virus as a reason for schizophrenia, which could explain living in urban centers (aka being in constant contact with carriers), as one reason for some of the higher rates of mental illness: https://www.hopkinsmedicine.org/news/newsroom/news-releases/schizophrenia-linked-with-abnormal-immune-response-to-epstein-barr-virus https://www.hopkinsmedicine.org/news/newsroom/news-releases/...