What causes schizophrenia?

Updated: Mar 16, 2018
  • Author: Frances R Frankenburg, MD; Chief Editor: Glen L Xiong, MD  more...
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The causes of schizophrenia are not known. Most likely, there are at least 2 sets of risk factors, genetic and perinatal. In addition, undefined socioenvironmental factors may increase the risk of schizophrenia in international migrants or urban populations of ethnic minorities. [13, 14, 15] Increased paternal age is associated with a greater risk of schizophrenia.

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