Answer: Think of the last time you had a cold and used a tissue to blow your nose — did you look at what was left inside?
Though not everyone will readily admit it, plenty of people take a sneak peek at the snot — or mucus — that comes out of their nose whether out of curiosity or disgust. What you may not realize, however, is how much your mucus can actually tell you about your health.
Mucus, while it may be kind of gross, plays an important role in your body.
“It’s part of your immune system, and it covers every inch of your body exposed to air that’s not protected by skin, including inside your nose,” explains Alison Grant, MD.
The sticky substance is an expert at trapping bacteria, viruses, dirt and dust, and keeping them from entering your body through your nose.
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