Parasites are dangerous creatures that survive off their hosts. Here are 12 common parasites that feed on the human body.

Parasites, ranging from tapeworms to microscopic protozoa like Giardia, pose significant health threats by infesting humans ...

Hoards of flesh-eating worms have erupted from the ground in Texas, terrifying local residents. The invasive hammerhead worms — which can grow up to a foot long — came to the surface in the ...