San Jose Mercury News (subscription) - San Jose,CA,USA
.... Some people might jump to the conclusion that your child has
attention deficit hyperactivity disorder (ADHD) without realizing that
self-control is a learned ...
http://www.mercurynews.com/mld/mercurynews/living/people/family/8934770.htm

Hm, ok I read most of that ;) and I would tend to agree that just cuz the kid does act out and is agressive doesn't mean automatic adhd, although, uh, I know for a fact I have terrible, terrible self-control, and some aggressive/anger issues, so... I think it would depend on the exact person involved...