Although the precise cause of schizophrenia isn't known, certain factors seem to increase the risk of developing or triggering schizophrenia, including:

  • Having a family history of schizophrenia
  • Exposure to viruses, toxins or malnutrition while in the womb, particularly in the first and second trimesters
  • Increased immune system activation, such as from inflammation or autoimmune diseases
  • Older age of the father
  • Taking mind-altering (psychoactive or psychotropic) drugs during teen years and young adulthood
Jan. 24, 2014

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