Katie Bieker

Author – Science, Environment, Travel, Children's Books

Why is My Snot Yellow?

sneezeYour snot is a sticky, protein-rich goo designed to trap microorganisms that have no business being in your body. Snot is usually thin and clear. So, if it’s not, does that mean you have one of the signs of a sinus infection? Let’s pick a little deeper…


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This entry was posted on March 7, 2014 by in Yahoo Content and tagged , , , , , , , , , .

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