A parasitic infection transmitted to humans by cats affects billions of people and can alter their behavior. New research ...

Doctors in China inadvertently took time-series images of parasitic worms actively invading ... they suspected she might have a bacterial infection in her brain. So they treated her with an ...

The worms caused eosinophilic meningitis, a rare condition where parasitic infection causes brain inflammation. Unlike bacterial meningitis, eosinophilic meningitis is marked by an increase in ...

It might still affect human behavior in important ways. The infection is caused by a brain parasite transmitted by cats. The parasite lives in a sort of symbiosis with our furry friends.