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 ...

Chamber pots from the frontier of the Roman Empire have provided the world's earliest evidence of humans infected with the ...

Add Yahoo as a preferred source to see more of our stories on Google. The first human case of the flesh-eating parasite "New World screwworm" has been detected in the United States in a person who had ...

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 ...

For over 70,000 years, the malaria parasite has profoundly shaped human migration and settlement patterns, forcing ancestors ...

Rat lungworm has been detected in San Diego animals, but local officials say the risk of its spread to Santa Barbara is low.

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 ...