Thursday, July 31, 2014

Why Snot is Green and Yellow

Why Snot is Green and Yellow


Snot is an essential part of a healthy body (no, really), and its color and consistency can give you a lot of information about what's going on in yours at any given time.


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via Gizmodo http://ift.tt/1n6f1IG http://ift.tt/UNmnde

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