The indefatigable PBS reporter [has an interesting piece here ](http://learningmatters.tv/blog/op-ed/drugging-kids/3662/#more-3662)about Ritalin, conflicts of interest between drug companies and parent groups and much, much more. The piece points out that the United States consumes five times as much ADD medicines as the rest of the planet. And guess who’s taking those meds: four times as many boys as girls.