RT Journal A1 Lanphear BP T1 Attention-deficit/hyperactivity disorder: A preventable epidemic? JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2012 FD December 1 VO 166 IS 12 SP 1182 OP 1184 DO 10.1001/archpediatrics.2012.1900 UL http://dx.doi.org/10.1001/archpediatrics.2012.1900 AB 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.