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What factors may cause ADHD?


ADHD is a familial disorder; genetics play a large role and they are the cause of about 92% of cases.


Neurological reasons such as:

  • Infections during pregnancy, childbirth or the first few months after birth
  • Lack of oxygen
  • Brain inflammation
  • Drinking alcohol during pregnancy
  • Smoking during pregnancy


Are ADHD and mood disorders caused by a chemical imbalance in the brain?


In addition to maternal smoking and drinking mentioned above, there is ongoing research into possible environmental causes.

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