Why You Can't Breathe Out of Your Nose When You're Sick

Why does our nose get plugged up when we get sick? Do you ever notice how one side of your nose always seems to be more stuffed than the other? There's a scientific explanation! Join Hank Green for a fun episode of Quick Questions that will give you a new found appreciation for your sniffer.
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Sources:http://mentalfloss.com/article/30363/...
http://www.abc.net.au/science/article...
http://news.stanford.edu/news/1999/no...
http://www.emptynosesyndrome.org/turb...
http://www.ncbi.nlm.nih.gov/pubmed/23...