Authors: Wansink, Brian¹; Cardello, Armand²; North, Jill³

Source: Military Medicine, Volume 170, Number 10, October 2005 , pp. 871-873(3)

Publisher: AMSUS - Association of Military Surgeons of the U.S.

Abstract:

Hypohydration can unknowingly occur in military personnel during exertion, especially in the heat. Such dehydration can impair cognitive and physical performance. Some portion of exercise-induced dehydration may be offset by changing the perceptual biases of soldiers when filling and drinking from canteens. Using comparably sized water bottles, we investigated this perceptual bias with 50 Army and Marine ROTC students by showing that those given short, wide, clear water bottles poured and drank more water than those given taller bottles that held the same volume. Even although those given short, wide water bottles poured 38% more water, they did not perceive themselves as having poured or drunk more. The implications for decreasing dehydration in the field and in garrison are discussed.

Document Type: Research article

Affiliations: 1: Professor, Consumer Psychology and Nutritional Science, University of Illinois, 350 Wohlers Hall, Champaign, IL 61820. 2: Senior Research Psychologist, U.S. Army Natick Soldier Center, Natick, MA 01760-5012; armand.cardello@natick.army.mil. 3: PhD student, Nutritional Science, University of Illinois, 221 Bevier Hall, Urbana, IL 61801; JNorth@uiuc.edu.

Publication date: 2005-10-01

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• Military Medicine is the Association's official monthly journal. The objective of the Journal is to promote awareness of Federal medicine by providing a forum for responsible discussion of common ideas and problems relevant to Federal healthcare. Its mission is: To increase healthcare education by providing scientific and other information to its readers; to facilitate communication; and to offer a prestige publication for members' writings.
  
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