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Attention Deficit Hyperactivity Disorder (ADHD) is a widespread problem affecting children and adults throughout the United States and many other so-called “first world” countries. It is most commonly discovered before the age of twelve years. Usually it is first noticed by parents or teachers when they find that the child has difficulty concentrating on tasks or when receiving instructions erwin data modeler. Until recently, it was separated into two diagnoses: ADD (attention deficit without hyperactivity) and ADHD (attention deficit with … Read More