A video showing a boat captain pulling parasites off a whale's head in a Mexican lagoon went viral. But a behavioral scientist told Insider that removing the parasites could actually hurt the whale.

An international team has found a new RNA virus that they believe is hitching a ride with a common human parasite. The virus is associated with severe inflammation in humans infected with the parasite ...

Every year, malaria kills more than 600,000 people worldwide. Most of them are children under 5 in sub-Saharan Africa. But ...

Parasites are organisms that feed off their hosts for survival. Such parasitic creatures can cause mild to serious symptoms and, in some cases, fatal infections in their hosts. “Overall, parasites ...

Parasites are organisms that survive by feeding on humans and other hosts, often causing mild to severe health problems. They can enter the body in multiple ways, including consuming contaminated food ...

Most mammals produce their own vitamin C using an enzyme called GULO. Around 60 million years ago, humans lost this ability, ...