The common cold is the leading cause for trips to the doctor and missed days from work and school. Must adults will catch the cold 2-4 times per year and kids will get it more than that. So what exactly is a cold? It is a viral infection of your upper respiratory tract. There are over 200 viruses that cause the common cold and are highly contagious. In this video, Dr. Preeti Parikh explains how a cold latches on to your body and causes you to become sick.
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