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 ...

Entamoeba histolytica infects nearly 50 million people each year and kills around 70,000. It’s a shape-shifting parasite that invades the human gut, often causing mild symptoms like diarrhea. But in ...

Add Yahoo as a preferred source to see more of our stories on Google. Entamoeba histolytica (green) attacking human T cells. A new paper by UC Davis researchers lays out a strategy for investigating ...

A cat parasite that can infect humans is called toxoplasma and it's a parasite that can live in all cat species. The parasite can spread to almost all other birds and mammals, not just humans, on ...

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 ...

Parasites are organisms that survive by feeding on humans and other hosts, often causing mild to severe health problems. They can enter the body in multiple ways, including consuming contaminated food ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

The ancient ancestor of Plasmodium was a water-dwelling photosynthetic algae. The tiny organ is a relic of the parasite’s ...

More than 90% of popular freshwater fish in Southern California are carrying human-infecting parasites, researchers say. This poses a significant danger for those who like to eat freshly caught ...

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 ...