Toxoplasma gondii is an incredibly pervasive parasite that can infect pretty much any warm-blooded animal, taking up ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...

The common "cat poop" parasite, Toxoplasma gondii, ... It can infect many types of warm-blooded animals, including humans. Once ingested through infected meat, soil or feces, ...

Toxoplasma gondii, a parasite spread by cats, can shred human sperm and may be an overlooked factor in declining male fertility, according to new research.

Both human and pig feces were commonly used as farming manure during that time — and handling contaminated poo is a surefire way to contract intestinal worms, including roundworm and whipworm.

Parasites are known to infect human cells through a variety ... Both trophozoites and cysts are then passed in the feces to continue the cycle. This parasite infects around 50 million people each ...

Most people don’t get excited about intestinal parasite eggs preserved in 500-year-old human feces. But Marissa Ledger isn't like most people.

Using stool samples from Viking latrines, researchers have genetically mapped one of the oldest human parasites -- the whipworm. The mapping reflects the parasite's global spread and its ...