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Dr. Nancy busts myths about staying hydrated

Do you really need to drink eight glasses of water a day? NBC's Dr. Nancy Snyderman has the answer and debunks other myths about your water intake.
/ Source: TODAY

Do you really need to drink eight glasses of water a day? NBC’s Dr. Nancy Snyderman has the answer and debunks other myths about your water intake.

 

This article was originally published Feb. 27, 2015 at 5:20 p.m. ET.