If you watch The Constant Gardener, Janie, you'll see that the people you mention are *exactly* the groups of people that the drug companines, in that film, used to experiment with their new mega-dollar busting drug...

And don't even get me *started* on Ritalin and all the crap we're anaesthetising happy, healthy, zingyspringy, filled with energy, bored RIGID with school, children with!

'Ritalin Grin' - Youtube