Author Affiliations: Child & Family Research Institute, BC Children's Hospital and Faculty of Health Sciences, Simon Fraser University, Vancouver, British Columbia, Canada.
Attention-deficit/hyperactivity disorder (ADHD), one of the most common brain disorders of childhood, affects about 1 in 10 children in the United States.1,2 Attention-deficit/hyperactivity disorder is not a specific disorder but a medley of maladaptive behaviors, the most prominent of which are hyperactivity, impulsivity, and inattention.1 Children who have ADHD often have other coexisting problems, such as aggressive behavior or anxiety; about 1 in 2 children have a learning disorder.
Lanphear BP. Attention-Deficit/Hyperactivity DisorderA Preventable Epidemic?. Arch Pediatr Adolesc Med. 2012;166(12):1182-1184. doi:10.1001/archpediatrics.2012.1900