… a cold. But what causes a runny nose, and what, if anything can be done to stop it?
A basic understanding of the immune system may help to understand what causes a runny nose:
The immune system is designed to fight off intruding …
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Tags: Fever Symptoms, Getting The Cold, Sinus Pressure, Sinuses, Upper Respiratory System
Tags: Fever Symptoms, Getting The Cold, Sinus Pressure, Sinuses, Upper Respiratory System