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 ...

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 ...

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 ...

Most people are all too familiar with the icky, uncomfortable feeling of having mucus build up in the nasal passageways while suffering through a cold or bad allergy flare-up. Or is it phlegm, rather ...

Add Yahoo as a preferred source to see more of our stories on Google. Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19 ...