Nearly 850 species of parasites are known to infect people; some, like the potentially deadly plasmodium parasite that causes ...

Some people online believe many of us have dangerous parasites in our gut and need to flush them out with herbal supplements.

It infects nearly one-third of the global population, yet its microscopic size makes the parasite difficult for scientists to study. That parasite is Toxoplasma gondii, a widespread organism that ...

Entamoeba histolytica infects nearly 50 million people each year and kills around 70,000. It’s a shape-shifting parasite that invades the human gut, often causing mild symptoms like diarrhea. But in ...