Our bodies harbor vast numbers of germs, and a lot of them just love to hang out in our bnether/b regions. Here's a fun thing to know: human feces are 75% water, but of the remaining 25%, the majority is composed of live and dead bacteria. Yum ! b...../b The larval stage of the tapeworm (called an oncosphere ? I learned all this gruesome stuff in a recent article in NewScientist, by the way) bburrows/b through the lining of the gut and can infect the muscles, eyes and brain. ...