Attention Deficit/Hyper Activity Disorder (ADHD):  ADHD - attention deficit hyperactivity disorder. Of late, the disorder has been addressed a great deal in both the popular media and scientific literature, particularly with the great number of children being diagnosed with the disorder and even more alarmingly by the type and amount of medication given to treat the condition.  For the pediatric chiropractor, attitudes towards the diagnosis and treatment of children with a diagnosis of ADHD runs counter to accepted medical practice to say the least.