Most people don’t get excited about intestinal parasite eggs preserved in 500-year-old human feces. But Marissa Ledger isn't like most people.

After listening to this week’s programme on parasitism, all I want to do is bleach my flat so heavily that everything in it either dies or ends up blind and hairless. But rather than do this, I ...

and its control depends heavily upon antimalarial drugs that kill parasites inside the human body. Malaria has been noted for more than 4,000 years. In ancient China, India, the Middle East ...

In this behavior, apes use protruded lips and a suction motion to remove debris or parasites from each other ... kissing is deeply embedded in human history and culture. Archaeological evidence ...