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Sneakers vs. Sniffles
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Regular aerobic exercise could be a potent way to avoid getting the sniffles.

The average American fights the common cold two to four times a year. Many take a preemptive approach to the problem. They wash their hands frequently, avoid people who are sick, and walk around the block a few times.

Walk around the block?

Researchers suggest two possible explanations for why exercise may ward off colds. Walking temporarily increases counts of leukocytes (disease-fighting immune cells). Exercise may also increase levels of IGA (an antibody) in saliva, which is associated with a reduced risk of upper respiratory infections.

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Reprinted with permission from Vibrant Life, November/December 2007. Copyright © 2008 by GraceNotes. All rights reserved. Use of this material is subject to usage guidelines.

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