...and it's still fucking up cocaine users (per this month's issue of The New England Journal of Medicine).

If you have no idea what I'm talking about, the Wiki article on levamisole is here.

[Eds. note: Mr. Kiley is too callous to note that the photos you will see upon clicking the first link above are horrifying, and he is too modest to link to his own (excellent) series of articles on levamisole.]