Add Yahoo as a preferred source to see more of our stories on Google. If you’ve ever fought a cold or infection in the past, chances are you’ve had the not-so-pleasant experience of coughing up green ...

The buildup of excess mucus in your nasal passages and throat is a common and uncomfortable symptom of many illnesses. JDawnInk via Getty Images Being sick with a cold or other congestion-causing ...

Extra mucus in your throat and chest is a common symptom of respiratory viruses, such as the flu and COVID-19. Mucus is a substance that lines the moist surfaces of your body, like your lungs and ...

In 1821, French physician René Laennec wrote, "A spitting pot I consider as an essential part of the bedroom apparatus." Laennec, who invented the stethoscope, spent his days gazing at his patients' ...

Q: Over the years I have been bothered by coughing up phlegm from the back of my throat many times a day. One doctor told me it is not infected because the phlegm is white, but didn't really help me ...

If you’ve ever fought a cold or infection in the past, chances are you’ve had the not-so-pleasant experience of coughing up green phlegm. Along with a runny nose and sore throat, green phlegm is ...