Kiss of death: Research targets lethal Chagas' disease spread by insect that bites lips

ScienceDaily (2010-04-29) -- It makes your skin crawl -- a bug that crawls onto your lips while you sleep, drawn by the exhaled carbon dioxide, numbs your skin, bites, then gorges on your blood. And if that's not insult enough, it promptly defecates on the wound -- and passes on the potentially deadly Chagas' disease.