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Health.com: 20 Surprising Ways to Prevent Colds and Flu

Get a Protein Fix

"Research shows that diets that are too low in protein can deplete the immune system. So I make sure to get protein-rich foods throughout the day, especially fish, eggs and yogurt."
—Douglas Kalman, PhD, RD, director of nutrition and applied clinical trials at Miami Research Associates

(Credit: Getty Images)
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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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