Multiple types of parasitic worms can be passed from dogs to humans, including roundworms and hookworms. Practicing good hygiene is the best way to prevent worms from spreading. If you suspect your ...

River otters are unequivocally cute. But their eating habits are not so adorable. Most animals—humans included—separate the place where they defecate from the place where they eat. But river otters ...

Male fertility is on a decline worldwide—and cat poop might have something to do with it. New research suggests that Toxoplasma gondii, a common parasite spread primarily through infected cat feces, ...

A parasite that is most widely known for its existence in cat feces could be a delivery system for proteins that target neurological disorders, a new study has found. Researchers successfully targeted ...

Haupt is a health and wellness editor at TIME. Haupt is a health and wellness editor at TIME. There are more parasites than any other organism on Earth—which is one of the reasons Emmitt Jolly finds ...

A parasite that makes rodents unafraid of cats could be giving people the courage to become entrepreneurs, researchers told NBC News. People infected with Toxoplasma gondii were more likely to have ...

The fossilized feces contained four species of parasitic worms: the roundworm (Ascaris lumbricoides), the whipworm (Trichuris trichiura), the tapeworm (Taenia sp.), and the Chinese liver fluke ...

DNA within dried feces dating from more than 1,000 years ago provides valuable insights into the pathogens that plagued ancient Mexican peoples, according to a study published October 22, 2025 in the ...