It's about family dynamics. Parents who can focus on providing for and raising their kids will have a better outcome than those those that struggle to put food on the table. If the parents have hope and a means to deliver, the whole outlook of the kids changes from a life of coping with hopelessness to looking towards a future that they have influence over.

I was more making a statement about how those kinds of disorders are over treated with medication when a change in the home environment would make a bigger difference.

> It's pretty remarkable that money apparently cures psychiatric disorders.

Actually, the results are that it reduced the risk of developing such disorders; that there are environmental factors for psychiatric as well as other medical disorders and that many are correlated with poverty and/or economic insecurity is decidedly not news.