Dr. Travis explains what happens when your body is attacked by the common cold.
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It's called works the virus enters the cells that may be lining in the nose and when they do that they actually infect your cells and you're looking here at some DNA. In certain areas of your DNA are activated which produce proteins. These proteins then say hey come on bring in the forces, bring in the white blood cells and let's fight off this infection and you get that nasty snug.

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