It seems every few months, the media reports on a dangerous new teen phenomenon that's sweeping the nation. From chugging hand sanitizer to huffing refrigerants to soaking tampons in vodka, American teenagers are among the world's best at wasting their creative energy on inventing novel ways to get high. Apparently, trying to dunk a basketball off of a chair is the latest craze, and the mild concussion sustained in the subsequent fall provides a killer buzz.