It’s quite distasteful. Your last meal is usually to blame if there’s a bad taste lingering in your mouth — but it could also ...

It can be hard to know what is causing your symptoms in the winter but there are some ways to tell them apart.

The F.D.A. and the C.D.C. have both weighed in, but confusion remains. Here’s what to know. By Maggie Astor The threat of Covid infections has not gone away, but the vaccines that help protect against ...

In contrast, this symptom is far less common with influenza. Breathlessness is additionally recognised by the NHS as ...