If you've handled cat litter or eaten raw meat or unwashed produce, there’s a chance you might have a permanent toxoplasmosis ...

Is cat ownership both a trope of a childless woman and an actual cause for fewer children being born? Studies show that a ...

Mindy Weisberger's new book details the crafty worms, fungi, and other parasites that have learned to mind-control their ...

New data shows 80 of UK sheep farms exposed to toxoplasma. Learn how farmers can act to protect flocks and avoid major reproductive losses.

Accumulating evidence suggests that a common single-celled parasite called Toxoplasma gondii may also be a contributor: An April 2025 study showed for the first time that "human sperm lose their ...

Male fertility is on a decline worldwide—and cat poop might have something to do with it. New research suggests that ...

Question: Lately on my weekly walks at Magic Island, I’ve noticed many mongooses feeding on cat food left by well- meaning ...

Accumulating evidence suggests that a common single-celled parasite called Toxoplasma gondii may also be a contributor: An April 2025 study showed for the first time that “human sperm lose their ...

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 fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm ...

Testicular toxoplasmosis shows that parasites can invade human testes, but symptomatic disease is very rare. Studies to date that show defects in the sperm of infected men are too small to draw ...

Accumulating evidence suggests that a common single-celled parasite called Toxoplasma gondii may also be a contributor: An April 2025 study showed for the first time that “human sperm lose their heads ...