You can take certain steps to lower your chances of becoming an unwitting host to one of these nasties. Practicing basic ...

A red, parasitic worm turned out to be behind the woman's wide array of symptoms. | Credit: Hossain, M., Kennedy, K. J., ...

Here’s a comforting thought: you might not actually be alone in your own body right now. Parasites are far more common than most people realize, and they don’t care about your personal boundaries, ...

Whether it's finding a tick buried in your socks after a walk in the woods or yanking off a few leeches after a pond swim, parasites trigger revulsion in most of us. And forget about those worms in ...

This provided photo shows monogenean worms (Microcotyle sebastis) that were dissected from the gills of a preserved copper rockfish specimen from the University of Washington Fish Collection at the ...

Some of the most insidious and ancient threats to animals on Earth are parasites that hijack the bodies and brains of their hosts for their own nefarious ends. Now researchers are starting to gather ...