Loiasis, or African eye worm disease, is spread by deerflies. Learn its symptoms, life cycle, treatment, and where it's found ...

And once it's there, it moves around. And around. There's a new report on the worm out this week in the New England Journal of Medicine. It sounds like a scene straight out of a nightmare. One morning ...

Discover 25 parasites you do not want to be infected with. Learn about their biology, transmission, and symptoms. Protect ...

The bobbit worm is a fearsome marine predator that burrows into the sand and waits for unsuspecting prey. The worm uses its ...