Several studies have found an elevated incidence of schizophrenia among individuals whose mothers

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Several studies have found a significant correlation between maternal exposure to influenza during the second trimester of pregnancy and an elevated incidence of schizophrenia in offspring. Studies have shown that the risk of schizophrenia can be up to two times higher among individuals whose mothers were exposed to influenza during pregnancy. Other factors like stress, heavy drinking, and narcotic drug use during pregnancy have not been consistently associated with an elevated risk of schizophrenia.

Several Studies Have Found an Elevated Incidence of Schizophrenia Among