Lax parents blamed for 'attention deficit' behaviour

[Matthew Kirkcaldie]

In article <bfjcdv$o49 at library1.airnews.net>,
 "Jeff Utz" <kidsdoc2000 at hotmail.com> wrote:

> Considering that there are definite differences in brains between people
> with ADHD and people without it, and other biological differences, like
> differences in reactions to drugs, I believe that, without a doubt, ADHD is
> real.

Could you cite the differences, and the papers which document them?  I'm 
genuinely interested.

      Regards,

         Matthew.