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June 2015    Download the Entire Issue (PDF) Vol. 30, No. 6   RSS Feed for Undercurrent Issues
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Dehydration and Diving: Facts and Myths

from the June, 2015 issue of Undercurrent   Subscribe Now

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While dehydration increases the risk of DCS, just how and when divers should hydrate is still unresolved. Currently, medical experts stress pre-dive hydration but don't comment much on post-dive hydration. Some scientific papers encourage mild to moderate dehydration prior to diving, saying it helps prevent decompression sickness, while others warn against it. Some dive experts counsel against drinking coffee or other caffeinated drinks, but there is some scientific evidence to the contrary. Claudia Roussos, M.D., an anesthesiologist from Boynton Beach, FL, wrote about hydration and diving for the rebreather-focused blog Add Helium ( ) so that divers could make smarter decisions about how and when to hydrate during their dive day. Here are some important points:...

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