Add Yahoo as a preferred source to see more of our stories on Google. I am a microbiologist, and my lab studies Toxoplasma. This new study bolsters emerging findings that underscore the importance of ...

You've seen the alarming headlines about parasites causing "explosive diarrhea" across the U.S. Two microscopic parasites – ...

From microscopic protozoa in drinking water to worms in undercooked pork, these organisms can cause everything from severe ...

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 ...

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TIME: Emmitt Jolly, professor of biology, said parasites are the most successful form of life. He described the most common parasites that infect humans—such as toxoplasma, giardia and tapeworms—and ...

Infected cats defecate Toxoplasma eggs into the litter box, garden or other places in the environment where they can be picked up by humans or other animals. Water, shellfish and unwashed fruits and ...