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  • Effects of an Electrolyte Additive on Hydration and Drinking Behavior During Wildfire Suppression

    John S. Cuddy, MS; Julie A. Ham, MS; Stephanie G. Harger, MS; Dustin R. Slivka, PhD; Brent C. Ruby, PhD From the Human Performance Laboratory, University of Montana, Missoula, MT. Objective.—The purpose of this study was to compare the effects of a water + electrolyte solution versus plain water on changes in drinking behaviors, hydration status, and body temperatures during wildfire suppression. Methods.—Eight participants consumed plain water, and eight participants consumed water plus an electrolyte additive during 15 hours of wildfire suppression. Participants wore a specially outfitted backpack hydration system equipped with a digital flow meter system affixed inline to...

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