Your last meal is usually to blame if there’s a bad taste lingering in your mouth — but it could also be a sign you’re sick.

Unusual changes in how food tastes are often overlooked. A bitter aftertaste, metallic sensation, or sudden dullness in ...

Most of us now view COVID-19 as more of a nuisance than a danger, thanks to vaccines and past exposure to the virus—all of which have built up our immunity. But research suggests that multiple ...

Tis the season for sniffling, coughing and calling out of work. Here's what to know about the pathogens circulating in the U.S. this December.