Anyone who has weathered a bad stomach bug knows the feeling: a loss of appetite that sets in and lingers, even after the initial illness. For the millions of people around the world who are ...

Add Yahoo as a preferred source to see more of our stories on Google. A tree tunnel in the Puna district of the island of Hawaii, also known as the Big Island. (Peter Unger/Getty Images) The parasite ...

The parasite that causes rat lungworm disease, long associated with Hawaii, was detected in California at the San Diego Zoo, raising concerns that the debilitating illness could become more widespread ...

SAN DIEGO — Brain-eating worms known as "rat lungworm" have been found in San Diego County, the first time the parasitic worms have been found in any state west of Texas. According to new research ...

For 12 months, physicians treated a 64-year-old Australian woman for a lung condition of unknown origin. They administered steroids, then immunosuppressants, then monoclonal antibodies. Her symptoms ...

Department M, a production company founded two years ago by Mike Larocca and Michael Schaefer, is in talks to acquire a significant stake in Neon, the Oscar-winning studio behind “Parasite” and “Anora ...

A parasite that may already be hiding in your brain has a shocking survival trick: it can infect the very immune cells sent to destroy it. Yet most people never get sick, and new research from UVA ...