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

You've probably heard stories about dogs that can sniff out cancer in humans, but what about nematodes? These tiny worms, which measure only about a millimeter in length, are attracted to the odor ...

If you're headed to a freshwater stream this summer and a friend dares you to eat a raw crayfish – don't do it. You could end up in the hospital with a severe parasitic infection. Physicians at ...

A worm parasite that is typically found in rats and slugs, but can jump to mammals, has become more widespread across the southeastern region of the US, a new study by the Centers for Disease Control ...

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

On this episode of Monsters Inside Me: Extra Deadly, a man coughs up blood and find out a fluke infection means his lungs are being eaten. Chris Motsinger of Missouri reported severe cramps in his ...