Add Yahoo as a preferred source to see more of our stories on Google. There's a parasite living in the brains of 40 million Americans, and most of these human hosts are completely unaware. Doctors don ...

The parasite that may already live in your brain can infect the very immune cells trying to destroy it, but new UVA Health research reveals how our bodies keep it under control. The parasite, ...

RIVERSIDE, Calif. -- A University of California, Riverside team of scientists has found that Toxoplasma gondii, a common parasite affecting up to one-third of the global population, is far more ...

Learn how parasites that contaminate food pose a major threat around the world, disproportionately affecting low- and ...

Giardia infection, also called giardiasis, is one of the most common causes of waterborne disease in the United States, where it affects over a million people each year. clinic How giardiasis spreads: ...

Many parasitic infections can cause “severe and long-lasting health problems” after the initial illness, a doctor told Newsweek.

A new study conducted at the University of Chicago shows an association between the Toxoplasma gondii parasite and road rage, or Intermittent Explosive Disorder (IED). The disorder is characterized by ...

A mosquito lands on an arm. Within seconds, it finds the skin, inserts its mouthparts and begins feeding. Humans have been experiencing versions of this encount ...