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

A worm-like parasite lived in a woman's eye for two years, and doctors believe it entered her body after she ate crocodile meat. The infected 28-year-old woman, from the town of Basankusu in the ...

Scientists have found over a dozen parasitic worms in the eyes of a black bear, renewing fears that humans could face an emerging danger from the tiny worms that can cause blindness. The black bear ...