Enjoy that cup of joe, athletes. Research published January 9, 2014 in PLOS ONE, the Public Library of Science open access peer reviewed scientific journal by researchers in the School of Sport and Exercise Sciences, University of Birmingham, UK suggests coffee doesn’t dehydrate you.
It is often suggested that coffee causes dehydration and its consumption should be avoided or significantly reduced to maintain fluid balance. The aim of this study was to directly compare the effects of coffee consumption against water ingestion across a range of validated hydration assessment techniques. In a counterbalanced cross-over design, 50 male coffee drinkers (habitually consuming 3–6 cups per day) …
If you want to read the details of the study, click here, but here’s the important bit:
Our data show that there were no significant differences across a wide range of haematological and urinary markers of hydration status between trials. These data suggest that coffee, when consumed in moderation by caffeine habituated males provides similar hydrating qualities to water.
Does anybody know if there’s such a thing as a French press that fits in a bicycle water bottle?
This is apparently one of the myths covered in this book on the human body and health, which was published in 2009.