A Parasite Found in Cat Poop Can Decapitate Human Sperm in Five Minutes. ... An April 2025 study showed for the first time that “human sperm lose their heads upon direct contact” with the ...

Experiments in mice show that some gut bacteria can absorb toxic PFAS chemicals, allowing animals to expel them through feces.

DNA analysis of the feces has provided in-depth knowledge about one of the oldest parasites ever discovered. The parasite found is the whipworm, scientifically called Trichuris trichiura.

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.

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.

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.

The UN Food and Agriculture Organization (FAO) is continuing efforts to update scientific advice on foodborne parasites. A ...

The common "cat poop" parasite, Toxoplasma gondii, could be engineered to deliver drugs to the brain to treat a range of neurological diseases Depositphotos View 1 Image ...

Have your vet test your pet’s poop annually for intestinal parasites. The writer is a clinical assistant professor of small animal clinical sciences at the University of Florida.