A parasite that lives permanently in the brains of millions may not be as uniformly dormant as scientists once thought.

People typically become infected with toxoplasmosis by eating undercooked meat or through contact with contaminated soil or cat feces. Once inside the body, the parasite is known for its ability to ...

A microscopic parasite that quietly settles into the brain of humans and animals is not nearly as quiet as scientists once ...

A common parasite long thought to lie dormant is actually much more active and complex. Researchers found that Toxoplasma ...

Brain parasite cysts contain multiple active forms, not dormant cells, explaining treatment resistance and reactivation patterns.

The study, published Jan. 24 in the journal Nature Communications, found that Toxoplasma gondii hides inside the body in far ...

A moose in Minnesota stumbles onto the road. She circles, confused and dazed, unable to orient herself or recognize the danger of an oncoming semitruck. What kills her is the impact of 13 tons of ...

Add Yahoo as a preferred source to see more of our stories on Google. The difficult-to-detect meningeal worm is spread by white-tailed deer and is a notorious killer of moose. AP Photo/Jim Cole, File ...

TAMPA, Florida -- It's like something out of a science-fiction movie -- a brain-eating parasitic worm living in your eye. But for one Florida man, it was reality. ***Warning: This story contains ...