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?

A parasite called Toxoplasma gondii infects an enormous number of people around the world. Scientists estimate that up to one ...

Hawaii, the U.S. epicenter for the disease, offers a preview of what may come next.

A microscopic parasite that can live for decades in the human brain infects an estimated one-third of the world's population - usually without causing symptoms. But in people with weakened immune ...

Global veterinary leaders unite in a Prevention Pledge urging year-round parasite control as fleas, ticks, and worms spread, raising emerging disease risks for pets and people. More than 40 veterinary ...