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

You can take certain steps to lower your chances of becoming an unwitting host to one of these nasties. Practicing basic ...

An international team of neurobiologists has developed a way to use a parasite to deliver protein therapies through the blood–brain barrier to treat nerve cell disorders. In their study published in ...

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 ...

A nasty parasite that is sometimes found in the water supply may soon be treatable, thanks to new research. This parasite, named cryptosporidium, is a single-celled organism that can cause a diarrheal ...

Microscope image of a live malaria parasite (guitar pick shape) inside a human red blood cell (large circle). The parasite that causes the deadly disease malaria is full of tiny crystals that ...