Your body naturally makes mucus to protect organs like lungs and eyes. But infections, allergies and pollution can boost mucus production. Know what it does, when to worry and how to ease discomfort.

Being sick with a cold or other congestion-causing illness comes with a variety of symptoms, but a particularly annoying one is the buildup of mucus in your nasal passages and throat. In addition to ...

It's unfortunate but true: It's totally normal for adults to get colds multiple times a year. And each of those colds will tend to follow a similar three-stage pattern, says Dr. Shiv Sudhakar, ...

Mucus is your body’s natural defence, but too much of it can make breathing feel like you’re inhaling through a wet sponge. Your lungs produce mucus every day to trap dust, germs, and irritants.