If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...

Are you starting to sneeze or wheeze? Here's how to know if you're experiencing seasonal allergies and ways to find relief.

It may say spring on the calendar, but colds, flu and COVID are still making people ill. What you should know.