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ADHD Is Biological
Attention deficit disorder (ADD ADHD) is one of the most researched areas in child and adolescent mental health. However, much about ADHD -- including the precise cause of the disorder -- is still unknown.
We do know that ADHD is a brain-based biological disorder. Brain imaging studies using PET scanners show that brain metabolism in children with ADHD is lower in the areas of the brain that control attention, social judgment, and movement.