30-Day Cold- and Flu-Prevention Calendar

Achoo! Follow these tips to boost your chance of staying healthy during cold and flu season—or at least minimizing your downtime if you don’t.
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Take a brisk walk

Exercise can boost your immune function, which may keep you from getting sick. A 2009 study found that people who exercised 45 minutes or more at a time, about four times a week, took 25% to 50% less time off from work during cold and flu season compared with couch potatoes.