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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Get your vitamin D

Vitamin D, also known as the sunshine vitamin, helps regulate the immune system. According to a 2009 study published in the Archives of Internal Medicine, people with low levels of this vitamin are more susceptible to colds. Try eating oily fish, such as salmon, a few times a week to boost your intake.