You can get a runny nose (rhinorrhea) for a lot of reasons. In most cases, it’s because of mucus buildup in your nasal cavity or sinuses due to a trigger or allergen. Your nose then fills up with ...

Mucus in the nose helps trap germs and other particles to prevent them from entering the body. When mucus, germs, and particles dry out, it forms a booger in the nose. Removing it can be risky. Nose ...

Nasal obstruction is a blockage of the nasal cavity, which is the space inside the nose. It may occur due to excess mucus or structural changes to the nose. The nasal cavity divides into two passages, ...

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 ...

A nasal rinse is a common practice to clear nasal passages, especially during cold, flu, and allergy seasons. It helps remove mucus, debris, and allergens that build in the nose. “A saltwater rinse is ...

It’s unlikely picking your nose will cause serious problems. However, those who have a weakened immune system or illness may experience infection, nasal cavity damage, or nosebleeds. Nose picking is a ...

Ever wondered why the colour of your snot is different when you’re sick? You’re probably not the first person to ask this question. There are actually many reasons why your snot’s changes colour when ...

If you’re sick, you know what it’s like to buy out the entire supply of Kleenex at your local drugstore. A nasty cold isn’t the only thing that causes drippy nostrils, though. Pretty much anything ...

Mucus is a normal part of the lungs. But smoking and other issues can cause too much mucus to collect there. (Photo Credit: iStock/Getty Images) Your body makes about a liter (approximately 1 quart) ...

Scientific researchers created a synthetic mucus to tame bacterial pathogens, according to research presented during the 2017 Experimental Biology meeting held in Chicago April 22-26. Mucus is a ...