Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...

Researchers at the University of Virginia School of Medicine have identified a specific enzyme inside immune cells that keeps Toxoplasma gondii, one of the most common brain parasites on the planet, ...

Sneaky parasite evades the human immune system by stripping cells and wearing them as a disguise Parasites are known to infect human cells through a variety of ingenious mechanisms. Many of them have ...

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 ...

Parasites are organisms that feed off their hosts for survival. Such parasitic creatures can cause mild to serious symptoms and, in some cases, fatal infections in their hosts. “Overall, parasites ...

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 ...

E. histolytica kills at least 50,000 people every year. Microbiologists have a battle plan. By Andrew Paul Published May 12, 2025 3:34 PM EDT Get the Popular Science daily newsletter💡 Breakthroughs, ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. In addition to eggs, tissue cysts present in the meat of warm-blooded animals can spread ...

Most mammals produce their own vitamin C using an enzyme called GULO. Around 60 million years ago, humans lost this ability, which scientists long viewed as evolutionarily neutral since vitamin C from ...