A cough lasting more than three weeks could signal underlying health issues. Know possible causes, red flags, and when medical attention becomes essential.

If you’re blowing your nose regularly, it’s hard not to notice your mucus—and what color it is. So it can also be alarming if you happen to spot yellow, brown, bloody, or green mucus in your used ...

Mucus, or phlegm, is a thick, slippery substance secreted by glands and cells in your body. It’s important to your immune system because it traps microorganisms, dirt, and other particles that shouldn ...

Medically reviewed by Jonathan B. Jassey, DO Green mucus can be a sign of a bacterial or viral infection, but not always.You cannot know if an infection is bacterial or viral based on mucus color ...

Mucus — less elegantly known as snot — may be annoying when you're sick, or when it feels like you have too much of it, but your body needs it to stay healthy. Technically, mucus is a sticky, ...

When news breaks, you need to understand what actually matters. At Vox, our mission is to help you make sense of the world — and that work has never been more vital. But we can’t do it on our own. We ...

Researchers at IIT Bombay explain how excess mucus forms narrow humps that leave airway walls exposed, offering new insight ...

IIT Bombay study reveals excess mucus weakens lung defenses, increasing allergy attacks by exposing airway walls to ...

You may think of mucus as the slimy stuff you cough up when you're sick. But it can also show up at the other end: in your poop. Many parts of your body make mucus, including your intestines. It lines ...

Researchers found that Akkermansia muciniphila and Bacteroides thetaiotaomicron degrade protective colonic mucin, drying ...