Attention Deficit Hyperactivity Disorder Is Both Under and Over Diagnosed

Attention Deficit Hyperactivity Disorder is both under and over diagnosed. That's the result of one of the largest studies conducted on ADHD in the United States, published in the Journal of Attention Disorders.

A substantial number of children being treated for ADHD may not have the disorder, while many children who do have the symptoms are going untreated, according to the 10-year Project to Learn about ADHD in Youth (PLAY) study funded by the National Center on Birth Defects and Developmental Disabilities of the Centers of Disease Control and Prevention.

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