ADHD is a neurobehavioral disorder characterized by pervasive inattention
and/or hyperactivity-impulsivity and resulting in significant functional
impairment. CDC estimates 4.4 million youth ages 4-17 have been diagnosed
with ADHD by a healthcare professional, and as of 2003, 2.5 million youth ages
4-17 are currently receiving medication treatment for the disorder. In 2003
7.8% of school-aged children were reported to have an ADHD diagnosis by their parent
