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Does being cold make you sick?

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Have you ever heard someone say, "Bundle up or you'll get sick"? These pre-cautionary words echo around the world as the first step of prevention against colds and flu when temperatures dip. But does being cold really make you sick? In this lesson, we are going to learn more about how and why it can happen.

When temperatures outside drop, more people move inside for longer periods of time. How does this help spread cold viruses?

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