RT Journal T1 ATtention-deficit/hyperactivity disorder JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2010 FD May 1 VO 164 IS 5 SP 499 OP 499 DO 10.1001/archpediatrics.2010.65 UL http://dx.doi.org/10.1001/archpediatrics.2010.65 AB Children with attention-deficit/hyperactivity disorder (ADHD) have attention and behavior problems that are frequent and severe enough to get in the way of the children's ability to function each day. About 5% of children have ADHD, and another 5% have ADHD symptoms that do not fit all of the criteria for diagnosis.