When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. We all produce mucus, even when healthy. Mucus is a ...

The sticky, slimy goo plays an essential role in fighting off infections, shaping the gut microbiome and more. Credit...Sisi Kim Supported by By Nina Agrawal To many people, mucus is nothing more than ...

Mucus is a thin, slippery fluid that lines the nose, throat, and other passages to trap dust and germs. Phlegm is a thicker type of mucus produced in the lungs to catch and remove harmful particles ...

Sniffles, snorts and blows of runny noses are the hallmarks of cold and flu season -- and that increase in mucus is exactly what bacteria use to mount a coordinated attack on the immune system, ...

Medically reviewed by Peter Weiss, MD A mucus plug protects the cervix from bacteria during pregnancy.Losing a mucus plug can ...

Allergies, infections, acid reflux, smoking, and exposure to environmental irritants can cause extra mucus in your throat. Home remedies like drinking more fluids, avoiding irritants like smoke, and ...

Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19, RSV and the common cold. A telltale sign you’re getting sick is ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Extra mucus in your throat and chest is a common ...

Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...