Nutrition has been a Paul Farmer hobbyhorse for a long time - as well it should be. It's no use giving people ARVs if they're going to starve to death anyway. Proper nutrition has demonstrated significant effects above starvation as well - It's also vital to learning, mood and even criminality (see here and here for starters).
So why aren't more cities following NYC's lead on serving (fed funded) free lunch to kids?