Medical authorities thought they had traced the source of the grim parasitic outbreak to a bad batch of lettuce.

Amid a nationwide outbreak of cyclosporiasis, we dug into our archives for investigations into parasitic organisms.

A new skull-based analysis of Neanderthal brains suggests that these ancient hominins’ range of intelligence largely ...

A North Texas infectious disease expert talks about cryptosporidium, a parasite commonly found in recreational waters.

Experts describe some of the most common protozoa and worms ...

Learn about parasites that can affect the brain, how they spread, potential symptoms, and ways to reduce your risk through ...

Walmart is the latest in a line of companies that has pulled Taylor Farms lettuce from their shelves following an outbreak of ...

Nearly one in three humans may carry the Toxoplasma parasite. Could this hidden infection be affecting your brain and ...

Federal officials said they traced the cyclosporiasis outbreak that's caused illness in thousands to lettuce supplied to Taco ...

Researchers at Japan's National Institutes for Quantum Science and Technology (QST) have found that tau buildup in ...

Iceberg lettuce at Taco Bell in Michigan, Indiana, Kentucky, Ohio, and West Virginia has been confirmed as a source of the ...