Trombone Player's Lung??!?!?

If you're like me, you don't really clean your horn much. I know there are a bunch of trombonists who are all into giving their trombone's a 'bath' and make a big deal out of it, but really, is it necessary? Well yeah, evidently it is....  I was searching around the web for trombone related stuff when I came across this article: http://journal.publications.chestnet.org/article.aspx?articleid=1045010 which describes an illness a professional trombonist experienced over a fairly long period of time which was caused by numerous bacteria and molds and what not that were living inside his horn and which he'd been inhaling during playing. Every time he took a breath while playing, all this crap was getting sucked out of his horn and into his lungs and causing a persistent, dry cough. When he cleaned his horn, it went away.... go figure. I guess I'll be looking to swab the damn thing out and disinfect it on a regular basis now.