Jan 19, 2015 8:00 AM

Author: Office of Public Affairs

It’s kind of gross to talk about, but you can learn a lot from your snot. Here we review what the different colors mean and when you should see a doc.

“While mucus might be a bit of an annoyance, it plays an important role in your body,” says Cindy Gellner, MD, a pediatrician at University of Utah Health. “It lines your organs with a protective layer, keeping dust and dirt out. It also helps fight off infections.”

“Nasal saline rinses are one of the most effective ways to help your body fight against sinus issues and remove excess mucus,” Gellner says. Here are 10 other things you can do to help prevent colds and the flu this season. 

cold flu

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