Ways to Prevent Colds and Flus
These Are the Most Effective Ways to Avoid Getting a Cold This Season

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17
Quit Smoking
Though it seems like a given, the antismoking message is worth mentioning, since many people still smoke. Smoking damages the lining of the respiratory tract, from the nasal passages down to small airways in the lungs, which is why smokers tend to have more frequent and worse colds than those who don't smoke.