Exercise Fluid Balance – Pints Vs. Pounds
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About The Author

Samuel N. Cheuvront is currently the Deputy Chief of the Biophysics and Biomedical Modeling Division and a research physiologist in the Thermal and Mountain Medicine Division at the U.S. Army Research Institute of Environmental Medicine (USARIEM), Natick, MA. His research includes the study of environmental and nutritional factors influencing human work performance


Exercise Fluid Balance – Pints Vs. Pounds

“A pint is a pound the world around.” This common expression is true when talking about a pint of water, which weighs one pound.  It is true also for many other liquids that are mostly water, including sweat.  For this reason, runners and other athletes are given the simple advice to drink one pint of water for every pound of body weight lost during exercise, thus replacing sweat losses in 1:1 fashion and sustaining hydration.  But water loss is not...

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