Bad Habits That Boost Your Flu Risk

Not Drinking Clean Water

According to Harvard University, unclean water can weaken your immune system. They say that no matter where you are, you should avoid drinking water that might be unsafe as it could contain organisms that could cause diseases. Talk to your doctor about other health benefits of drinking clean water.
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Review Date: 
February 7, 2014

Last Updated:
September 15, 2014