Just say No!

ursulav, the author of the odd and beautifully-drawn webcomic Digger, has a wonderful bit of musing as to why kids shouldn't take drugs.
Before you start ranting and screaming at me for being a hypocrite given my mostly Libertarian views, go read it.

As a probably-lifelong Zyrtec-taker, I wholeheartedly concur with her view.