mucus can come from infection or allergy

What is snot for? Musings on mucus

Mucus is icky.  Germy. Slimy. Gross.  Nobody wants to touch snot! But what is snot, and why do we have it, anyway? Our lowly snot is actually really important: it helps to keep us healthy. Snot, otherwise known as mucus, is a secretion created by the body.  As we breathe air in through our nose, […]