ADHD Causes

ADHD can be caused by genetics, environmental factors, and diet factors. Environmental factors can include smoking or drinking alcohol during pregnancy, which can lead to ADHD. Lead exposure after birth has been linked to ADHD.

Fast Facts:

  • Genetics cause about 75% of ADHD cases.
  • Premature birth has been linked to ADHD.
  • Artificial food coloring may have a small effect on ADHD symptoms.

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