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.
prev Day 26 next

Avoid allergens and pollution

If you're sneezing starts like clockwork every fall, you might want to consider the possibility that you aren't super susceptible to cold viruses—you might be allergic to fall pollen. A 2009 study suggests that allergies can increase the risk of sinus infections in people prone to sinus trouble, and the stuffy nose and headache can sometimes look like a cold. (Allergy testing can reveal the truth.) If pests like mold, ragweed, and pollen don't affect you, pollutants might. Canadian researchers have found that long-term exposure to air pollution can make you more susceptible to respiratory infections.