Discover how the dry air of winter affects your nose and how to combat the drying out with helpful tips and treatments.

A productive cough produces phlegm or mucus, clearing it from the lungs. A nonproductive cough, known as a dry cough, doesn’t produce phlegm or mucus. Many things — from allergies to acid ...

Everyone experiences boogers (dried phlegm) daily. They may seem gross, but boogers are an essential part of your body's immune system. But what are boogers made of and where do they come from?

Laura Martin, MD, MPH And the snot and the mucus, they help keep our mucous membranes moist and protect them from getting dry and cracked. Michael Smith, MD It's just when you have a cold or some ...

Nose linings feel dry and crunchy sometimes because there’s less mucus. So what is the mechanism? The humidity in the back of noses is usually about 100% constantly, and the temperature is ...