You may have no symptoms at all ... Lice are considered parasites because they feed on human blood. Maybe lice aren't exactly terrifying, but they are annoying and can strike fear into some ...

An ecologist shares his passion for parasites. From their vital roles in nature, to strange super powers and extraordinarily complex life cycles, parasites are natural wonders worthy of protection.

Canine hookworms are becoming an increasing threat to pets and people, researchers say, after finding that the parasites have ...