This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

you’ve likely examined your mucus color, from yellow to green, for signs you may be healing. “We are in the midst of one of the most severe flu seasons in the past few decades, and it is ...

Pneumonia infects millions of people every year. Cases of this highly contagious lung infection surged across all age groups ...

You should see a doctor promptly if your cough is accompanied by fevers, chills, night sweats, coughing up blood, shortness ...

While symptoms often resolve themselves within four weeks, the condition isn't exactly pleasant, causing a dulled sense of smell and sometimes a runny nose with green or yellow mucus. The Mayo ...

Even though human behavior and emotions fall within a defined range of expressions, one puzzle remains: why aren’t these ...