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 people because they are hard to get rid of.

A new drug to treat malaria has been given the green light by authorities in the United States. The medicine is specifically for the recurring form of malaria - caused by the parasite plasmodium ...

W hile cats are pets known for their cleanliness, grooming themselves regularly, they still need care because they can be ...