6 Horrifying Parasites That Will Gross You Out

Need an easy way to gross yourself out? Watch this video that describes six different parasites by Asap Science. You have worms that create a nest around your butt hole, parasites that take over the tongue of a fish, ants that can become zombies and a whole lotta other scariness. What's least comforting is how unavoidable it all seems. The littlest things can eventually be the most damaging. [AsapSCIENCE]