I am not sure the "state" is capable or competent to address these kinds of problems. Certainly even child services is not known for its incredible ability to change lives. At best they might make sure a child gets subsistence support.
What you are talking about is what lies below the tip of the ice burgh. The under currents that lurk in the murky depths that results in the visible behaviors we have to punish.
As you say, children with pathways and connections that aren't physically working well combined with growing up in environments that reinforce stress, anxiety, impulsiveness and maladaptive behaviors and coping mechanisms.
You would have to identify "at risk" kids as early as possible and remove them from their normal environment and put them into a new environment where as many variables are controlled for as possible. That would include both diet, life style as well as role models that can shape behavior. Training if you will. Medication if necessary.
There has been some promising research that combinations of certain essential fatty acids as well as some phospholipids can work wonders on restoring proper brain function.
However, that approach is way beyond the familiarity of society so is unlikely to meet with any real approval .. plus you would have to have people that could implement that kind of program . . another big if.
If you look at this thread:
http://greekchat.com/gcforums/showth...threadid=60527
It appears that many parents don't even see the importance of having a working model of how to prevent chronic stress and anxiety from having a dehabilitating effect on children. Let alone hvaing already incorporated it systematically into their child's daily pattern.
And thats where it would have to start.
We are all doomed as a society