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

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

Some wellness influencers think many people have parasites and should use special supplements to flush them out. Is there science behind the claims?

But in some cases, the parasite reaches the nervous system and causes a form of meningitis called eosinophilic meningitis. That can mean headaches, stiff neck, nausea, vomiting, fever, strange ...