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Roses are red, violets are blue -- well, bluish. The sky is blue, too. Grass is green. These are things that most of us know for a fact and don't question. But what if you were colorblind? What would you see? Is life one long black-and-white movie?
When you have a cold or allergies, your life revolves around tissues. Your nose feels like a nonstop spigot of mucus (not your best look, by the way). Why do you constantly have to blow your nose -- and what's going on in your schnozz when you do?