Snot plays a powerful role in protecting us from disease – and its colour alone can provide insights into what's going on in ...

"There are many different factors that can cause this, including smoking, a cold, allergies, air pressure fluctuation, excess mucus and sinus infections ... Wellness Find out the right way to blow ...

Nasal mucus - simply known as snot - essentially acts like a shield to keep out harmful germs while also letting in things ...

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