From microscopic mites dwelling in our hair follicles to sizable tapeworms inhabiting our intestines, the human body plays host to a surprising array of organisms. Some, like Demodex mites, coexist ...

The answer is yes: humans can get worms from cats, but only certain types ... But hookworm larvae can also enter a person's ...

A resurgence of rare and dangerous parasites in Vietnam is alarming health experts, with infections linked to undercooked ...

Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple. Meanwhile, thousands of young Loa loa worms can travel throughout your body —even across your eyeball!