The neurologic long-COVID symptoms of some patients, like brain fog and memory loss, may be caused by lingering virus—in the gut, of all places. That’s according to a new study by University of ...

They can cause all sorts of unpleasant symptoms. Certain symptoms, like a sore throat or fatigue, are hallmarks of all three.

A team of scientists is proposing a new explanation for some cases of long COVID, based on their findings that serotonin levels were lower in people with the complex condition. In their study, ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have identified a persistent change in a handful of blood proteins in people with long Covid that indicates that an ...

Do you know someone who tested positive for COVID but never felt a darn thing? Or who says they never caught the virus – even when their partner was sick in bed. Scientists estimate that over 20% of ...