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.

Phlegm might seem like an everyday nuisance, but it can serve as a critical indicator of your body’s respiratory and systemic ...

Pneumonia infects millions of people every year. Cases of this highly contagious lung infection surged across all age groups in 2024, but young children were hit particularly hard. Infection rates in ...

Producing mucus will help clear your sinuses ... A lot of people think yellow or green snot means you need an antibiotic. That is not true. Laura Martin, MD, MPH If it's a viral infection causing ...

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 ...