Samuel N Cheuvront

Summary

Affiliation: Walter Reed Army Medical Center
Country: USA

Publications

  1. ncbi Fluid balance and endurance exercise performance
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, 42 Kansas Street, Natick, MA 01760 5007, USA
    Curr Sports Med Rep 2:202-8. 2003
  2. ncbi Hypohydration and prior heat stress exacerbates decreases in cerebral blood flow velocity during standing
    Robert Carter
    Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760, USA
    J Appl Physiol (1985) 101:1744-50. 2006
  3. ncbi Marathon performance in thermally stressing conditions
    Scott J Montain
    US Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760, USA
    Sports Med 37:320-3. 2007
  4. ncbi Impact of weather on marathon-running performance
    Matthew R Ely
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 39:487-93. 2007
  5. ncbi Branched-chain amino acid supplementation and human performance when hypohydrated in the heat
    Samuel N Cheuvront
    U S Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 97:1275-82. 2004
  6. ncbi Evaluation of the limits to accurate sweat loss prediction during prolonged exercise
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas Street, Natick, MA 01760 5007, USA
    Eur J Appl Physiol 101:215-24. 2007
  7. doi Serum S-100beta response to exercise-heat strain before and after acclimation
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Med Sci Sports Exerc 40:1477-82. 2008
  8. ncbi Fluid replacement and performance during the marathon
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760 5007, USA
    Sports Med 37:353-7. 2007
  9. ncbi No effect of moderate hypohydration or hyperthermia on anaerobic exercise performance
    Samuel N Cheuvront
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 38:1093-7. 2006
  10. ncbi Running performance differences between men and women:an update
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Sports Med 35:1017-24. 2005

Detail Information

Publications61

  1. ncbi Fluid balance and endurance exercise performance
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, 42 Kansas Street, Natick, MA 01760 5007, USA
    Curr Sports Med Rep 2:202-8. 2003
    ..This can usually be achieved with fluid intakes of under 1 L x h(-1)...
  2. ncbi Hypohydration and prior heat stress exacerbates decreases in cerebral blood flow velocity during standing
    Robert Carter
    Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760, USA
    J Appl Physiol (1985) 101:1744-50. 2006
    ..These observations suggest that hypohydration and prior heat stress are associated with greater reductions in CBFV with greater CVR, which likely contribute to orthostatic intolerance...
  3. ncbi Marathon performance in thermally stressing conditions
    Scott J Montain
    US Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760, USA
    Sports Med 37:320-3. 2007
    ..The recent generation of a nomogram that predicts changes in finishing time consequent to changes in weather conditions offers runners and coaches a tool for use in developing marathon race strategy...
  4. ncbi Impact of weather on marathon-running performance
    Matthew R Ely
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 39:487-93. 2007
    ..Marathon running performance slows in warm weather conditions, but the quantitative impact of weather has not been established...
  5. ncbi Branched-chain amino acid supplementation and human performance when hypohydrated in the heat
    Samuel N Cheuvront
    U S Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 97:1275-82. 2004
    ..BC did not alter time-trial performance, cognitive performance, mood, perceived exertion, or perceived thermal comfort. We conclude that BCAA does not alter exercise or cognitive performance in the heat when subjects are hypohydrated...
  6. ncbi Evaluation of the limits to accurate sweat loss prediction during prolonged exercise
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas Street, Natick, MA 01760 5007, USA
    Eur J Appl Physiol 101:215-24. 2007
    ..Adjustments for NSL and clothing saturation dynamics help explain SHAP errors at 2 and 8 h, respectively. These results provide a basis for future development of accurate algorithms with broader utility...
  7. doi Serum S-100beta response to exercise-heat strain before and after acclimation
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Med Sci Sports Exerc 40:1477-82. 2008
    ..However, the explanatory power of exercise with marked environmental heat stress on the appearance of S-100beta is questionable. It is possible that the process of heat acclimation might afford additional insight...
  8. ncbi Fluid replacement and performance during the marathon
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760 5007, USA
    Sports Med 37:353-7. 2007
    ..Recommendations are provided to individualise fluid intakes with the goal of preventing excessive dehydration (>2% body mass) as well as weight gain. The minor importance of 'matters of debate' to fluid replacement is also discussed...
  9. ncbi No effect of moderate hypohydration or hyperthermia on anaerobic exercise performance
    Samuel N Cheuvront
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 38:1093-7. 2006
    ..This study examined the effects of hypohydration and moderate hyperthermia (core temperature elevation) on anaerobic exercise performance in a temperate environment...
  10. ncbi Running performance differences between men and women:an update
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Sports Med 35:1017-24. 2005
    ..Because men possess a larger aerobic capacity and greater muscular strength, the gap in running performances between men and women is unlikely to narrow naturally...
  11. ncbi Hypohydration impairs endurance exercise performance in temperate but not cold air
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 99:1972-6. 2005
    ..05). These data demonstrate that 1) HYP impairs endurance exercise performance in temperate but not cold air but 2) cold stress per se does not...
  12. ncbi Impact of a protective vest and spacer garment on exercise-heat strain
    Samuel N Cheuvront
    Thermal and Mountain Medicine Division, US Army Research Institute of Environmental Medicine, Kansas Street, Natick, MA 01760 5007, USA
    Eur J Appl Physiol 102:577-83. 2008
    ..05). SR was higher (P < 0.05) in P and S versus B, but the magnitude of differences was small. A protective vest increases physiological strain independent of added load, while a spacer garment does not alter this outcome...
  13. ncbi The Zone Diet phenomenon: a closer look at the science behind the claims
    Samuel N Cheuvront
    U S Army Research Institute of Environmental Medicine, Natick, Maine 01760, USA
    J Am Coll Nutr 22:9-17. 2003
    ..The purpose of this review is to evaluate the scientific merit of the Zone Diet and its health claims in an effort to help delineate what is and what is not sound nutrition science...
  14. ncbi Efficacy of intermittent, regional microclimate cooling
    Samuel N Cheuvront
    United States Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760 5007, USA
    J Appl Physiol (1985) 94:1841-8. 2003
    ..These findings indicate that the IRC approach to MCC is a more efficient means of cooling when compared with CC paradigms and can improve MCC capacity by reducing power requirements...
  15. doi Efficacy of body ventilation system for reducing strain in warm and hot climates
    Troy D Chinevere
    US Army Research Institute of Environmental Medicine, Natick, Boston, MA 01757, USA
    Eur J Appl Physiol 103:307-14. 2008
    ..05), but not HW. These results indicate that BVS(On) reduces physiological strain in all three environments by a similar amount; however, in hot-dry conditions the BVS(Off) increases physiological strain...
  16. ncbi Intermittent microclimate cooling during exercise-heat stress in US army chemical protective clothing
    Bruce S Cadarette
    U S Army Research Institute of Environmental Medicine, Kansas St, Natick, MA 01760 5007, USA
    Ergonomics 49:209-19. 2006
    ..m(-2)) ( p < 0.05). These findings suggest that IC provided a favourable skin to LCG gradient for heat dissipation by conduction and reduced heat strain comparable to CC during exercise-heat stress in chemical protective clothing...
  17. doi DEET insect repellent: effects on thermoregulatory sweating and physiological strain
    Robert W Kenefick
    Thermal and Mountain Medicine Division, US Army Research Institute of Environmental Medicine, Kansas Street, Natick, MA 01760, USA
    Eur J Appl Physiol 111:3061-8. 2011
    ..DEET can be safely worn during military, occupational and recreational activities in hot, insect infested environments...
  18. doi Prior heat stress: effect on subsequent 15-min time trial performance in the heat
    Robert W Kenefick
    US Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 41:1311-6. 2009
    ..The impact of prior heat stress on subsequent aerobic exercise-heat performance has not been studied...
  19. ncbi Estimation of human core temperature from sequential heart rate observations
    Mark J Buller
    US Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Physiol Meas 34:781-98. 2013
    ..58 °C) our results suggest it is accurate enough to provide practical indication of thermal work strain for use in the work place. ..
  20. doi Surface contamination artificially elevates initial sweat mineral concentrations
    Matthew R Ely
    U S Army Research Institute of Environmental Medicine, Kansas St, Bldg 42, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 110:1534-40. 2011
    ..g., under fingernails, on arm hair), then decrease with extended sweating and approach those measured from the scapular region...
  21. doi Water-deficit equation: systematic analysis and improvement
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Am J Clin Nutr 97:79-85. 2013
    ..Several equation assumptions may limit its accuracy, but none have been systematically tested...
  22. doi Hypohydration and acute thermal stress affect mood state but not cognition or dynamic postural balance
    Brett R Ely
    Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Kansas St, Building 42, Natick, MA 01760, USA
    Eur J Appl Physiol 113:1027-34. 2013
    ..Dynamic postural stability at 10 °C appeared to be hampered by low-grade shivering, but was otherwise maintained during HYP and thermal stress...
  23. doi Evidence against a 40 degrees C core temperature threshold for fatigue in humans
    Brett R Ely
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 107:1519-25. 2009
    ..Our observation that runners were able to sustain running velocity despite T(re) >40 degrees C is evidence against 40 degrees C representing a "critical" core temperature limit to performance...
  24. doi No effect of nutritional adenosine receptor antagonists on exercise performance in the heat
    Samuel N Cheuvront
    U S Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St, Natick, MA 01760 5007, USA
    Am J Physiol Regul Integr Comp Physiol 296:R394-401. 2009
    ..05) or the self-selected pacing strategy employed. These findings indicate that the nutritional adenosine receptor antagonists caffeine and quercetin do not enhance endurance exercise performance during compensable heat stress...
  25. doi A simple and valid method to determine thermoregulatory sweating threshold and sensitivity
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 107:69-75. 2009
    ..Rater and SReg were not different by conventional t-test (P > 0.05). SReg provides a simple, valid, and standardized way to determine sweating threshold temperature and sweating sensitivity values for thermoregulatory studies...
  26. doi Mechanisms of aerobic performance impairment with heat stress and dehydration
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 109:1989-95. 2010
    ..Dehydration augments hyperthermia and plasma volume reductions, which combine to accentuate cardiovascular strain and reduce Vo(2max). Importantly, the negative performance consequences of dehydration worsen as T(sk) increases...
  27. doi High skin temperature and hypohydration impair aerobic performance
    Michael N Sawka
    Thermal and Mountain Medicine Division, US Army Research Institute of Environmental Medicine, 42 Kansas Street, Natick, MA 01760, USA
    Exp Physiol 97:327-32. 2012
    ....
  28. doi Biological and analytical variation of the human sweating response: implications for study design and analysis
    Robert W Kenefick
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas St Natick, MA 01760, USA
    Am J Physiol Regul Integr Comp Physiol 302:R252-8. 2012
    ..changes in SR. These findings provide a quantitative basis for study design and optimization of power/sample size analysis in the evaluation of thermoregulatory sweating...
  29. doi Effect of heat acclimation on sweat minerals
    Troy D Chinevere
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 40:886-91. 2008
    ..This study examined the impact of 10 d of exercise-heat acclimation on sweat mineral concentrations...
  30. doi Hydration effects on cognitive performance during military tasks in temperate and cold environments
    Gina E Adam
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Physiol Behav 93:748-56. 2008
    ..Moderate HYP had no effect on cognitive and psychomotor performance in either environment, cold exposure produced equivocal effects, and aerobic exercise improved some aspects of military task performance...
  31. doi Reference change values for monitoring dehydration
    Samuel N Cheuvront
    U S Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Natick, MA 01760 5007, USA
    Clin Chem Lab Med 49:1033-7. 2011
    ..A secondary purpose was to validate use of the tool by dehydrating a group of volunteers...
  32. ncbi Exercise-heat acclimation in humans alters baseline levels and ex vivo heat inducibility of HSP72 and HSP90 in peripheral blood mononuclear cells
    James P McClung
    US Army Research Institute of Environmental Medicine, Natick, MA, USA
    Am J Physiol Regul Integr Comp Physiol 294:R185-91. 2008
    ..These data demonstrate that physiological adaptations in humans undergoing HA are accompanied by both increases in baseline levels and changes in regulation of cytoprotective HSPs...
  33. doi Limitations of salivary osmolality as a marker of hydration status
    Brett R Ely
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Med Sci Sports Exerc 43:1080-4. 2011
    ..Salivary osmolality (Sosm) is a potentially useful hydration marker but may be confounded by oral artifacts...
  34. ncbi Comparison of sweat loss estimates for women during prolonged high-intensity running
    Samuel N Cheuvront
    Thermal and Mountain Medicine Division, U S Army Research Institute of Environmental Medicine, Natick, MA, USA
    Med Sci Sports Exerc 34:1344-50. 2002
    ..This study evaluated the error produced by four commonly used field estimates and two prediction equations of total body sweat loss...
  35. doi Effect of hypohydration and altitude exposure on aerobic exercise performance and acute mountain sickness
    John W Castellani
    Thermal and Mountain Medicine Division, U S Army Research Institute of Environmental Medicine, 42 Kansas St, Natick, MA 01760 5007, USA
    J Appl Physiol (1985) 109:1792-800. 2010
    ..07). In conclusion, hypohydration at 3,048 m 1) degrades aerobic performance in an additive manner with that induced by ALT; and 2) did not appear to increase the prevalence/severity of AMS symptoms...
  36. doi Aerobic performance is degraded, despite modest hyperthermia, in hot environments
    Brett R Ely
    Thermal and Mountain Medicine Division, US Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 42:135-41. 2010
    ..Environmental heat stress degrades aerobic performance; however, little research has focused on performance when the selected task elicits modest elevations in core body temperature (<38.5 degrees C)...
  37. ncbi Hypohydration does not alter standing balance
    Joseph F Seay
    U S Army Research Institute of Environmental Medicine, Natick, MA, USA
    Motor Control 17:190-202. 2013
    ..Neither V(plasma) loss nor P(osm) increases were associated with changes in balance. We concluded that standing balance was not altered by hypohydration...
  38. doi Hydration assessment using the cardiovascular response to standing
    Samuel N Cheuvront
    Thermal and Mountain Medicine Division, US Army Research Institute of Environmental Medicine, Kansas Street, Natick, MA 01760 5007, USA
    Eur J Appl Physiol 112:4081-9. 2012
    ..SSΔHR increased significantly in response to severe hypertonic hypohydration and moderate isotonic hypohydration, but not moderate hypertonic hypohydration. However, the 20 beats/min cut point afforded only marginal diagnostic accuracy...
  39. doi Biological variation and diagnostic accuracy of dehydration assessment markers
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Am J Clin Nutr 92:565-73. 2010
    ..Well-recognized markers for static (one time) or dynamic (monitoring over time) dehydration assessment have not been rigorously tested for their usefulness in clinical, military, and sports medicine communities...
  40. ncbi Hypohydration reduces vertical ground reaction impulse but not jump height
    Samuel N Cheuvront
    Thermal and Mountain Medicine Division, US Army Research Institute of Environmental Medicine, Kansas Street, Natick, MA 01760 5007, USA
    Eur J Appl Physiol 109:1163-70. 2010
    ..05). In conclusion, this study demonstrates the failure to improve jump height when HYP can be explained by offsetting reductions in both VGRI and body mass...
  41. ncbi Daily body mass variability and stability in active men undergoing exercise-heat stress
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Int J Sport Nutr Exerc Metab 14:532-40. 2004
    ..The data also suggest that daily BM is a sufficiently stable physiological parameter for potential daily fluid balance monitoring...
  42. ncbi Sweat mineral-element responses during 7 h of exercise-heat stress
    Scott J Montain
    Military Nutrition Div, US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Int J Sport Nutr Exerc Metab 17:574-82. 2007
    ..Uncertainty exists regarding the effect of sustained sweating on sweat mineral-element composition...
  43. doi Physiologic basis for understanding quantitative dehydration assessment
    Samuel N Cheuvront
    US Army Research Institute of Environmental Medicine, Natick, MA, USA
    Am J Clin Nutr 97:455-62. 2013
    ..Practical measures with empirical thresholds are provided as a starting point for improving the practice of dehydration assessment...
  44. doi Hydration for recreational sport and physical activity
    Robert W Kenefick
    US Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Kansas Street, Natick, MA 01760, USA
    Nutr Rev 70:S137-42. 2012
    ..Spot measures of urine color or urine-specific gravity to assess hydration status have limitations. First morning urine concentration and body mass with gross thirst perception can be simple ways to assess hydration status...
  45. ncbi Marginal effects of a large caffeine dose on heat balance during exercise-heat stress
    Brett R Ely
    Army Research Institute of Environmental Medicine, Thermal and Mountain Medicine Division, Natick, MA, USA
    Int J Sport Nutr Exerc Metab 21:65-70. 2011
    ..The use of caffeine supplements in athletic and military populations has increased in recent years. Excessive caffeine consumption in conjunction with exercise in a hot environment may predispose individuals to heat illness...
  46. ncbi Model of human thermoregulation for intermittent regional cooling
    Xiaojiang Xu
    U S Army Research Institute of Environmental Medicine, Biophysics and Biomedical Modeling Division, Natick, MA 01760, USA
    Aviat Space Environ Med 75:1065-9. 2004
    ..In order to gain insight into IRC mechanisms, a mathematical model was developed to simulate thermal interaction between the human and IRC...
  47. doi Potential impact of a 500-mL water bolus and body mass on plasma osmolality dilution
    Kurt J Sollanek
    Thermal and Mountain Medicine Division, U S Army Research Institute of Environmental Medicine USARIEM, Natick, MA 01760, USA
    Eur J Appl Physiol 111:1999-2004. 2011
    ..05). The two methodologies appear to produce similar P (osm) values when measured in most individuals. However, the potential for significant dilution (>3 mmol/kg) should be considered when choosing the pre-hydration methodology...
  48. ncbi The effect of heat acclimation on sweat microminerals: artifact of surface contamination
    Matthew R Ely
    U S Army Research Institute of Environmental Medicine, Natick, MA
    Int J Sport Nutr Exerc Metab 23:470-9. 2013
    ..The observation that comprehensive cleaning of the skin surface negates sweat micromineral reductions during prolonged sweating raises the question of whether the reported HA effect is real or artifact of surface contamination...
  49. ncbi Human water needs
    Michael N Sawka
    Thermal and Mountain Medicine Division, US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Nutr Rev 63:S30-9. 2005
    ..7 L for adult women meets the needs of the vast majority of persons. However, strenuous physical exercise and heat stress can greatly increase daily water needs, and the individual variability between athletes can be substantial...
  50. ncbi Thermoregulatory function during the marathon
    Robert W Kenefick
    Thermal and Mountain Medicine Division, Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760, USA
    Sports Med 37:312-5. 2007
    ..The combined challenge of exercise and environment associated with marathon running can substantially challenge the human thermoregulatory system...
  51. doi Effect of ambient temperature on marathon pacing is dependent on runner ability
    Matthew R Ely
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Med Sci Sports Exerc 40:1675-80. 2008
    ..Warmer weather negatively impacts the finishing time of slower marathon (42.2 km) runners more than faster runners. How warmer weather impacts runners' regulation of effort (pacing) leading to the decreased performance is poorly understood...
  52. ncbi Epidemiology of hospitalizations and deaths from heat illness in soldiers
    Robert Carter
    Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 37:1338-44. 2005
    ..Serious heat illness has received considerable recent attention due to catastrophic heat waves in the United States and Europe, the deaths of high-profile athletes, and military deployments...
  53. doi Influence of sensor ingestion timing on consistency of temperature measures
    Daniel A Goodman
    US Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
    Med Sci Sports Exerc 41:597-602. 2009
    ..However, the effect of elapsed time between ITS ingestion and T int measurement has not been thoroughly studied...
  54. ncbi Neither cloud cover nor low solar loads are associated with fast marathon performance
    Matthew R Ely
    US Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Med Sci Sports Exerc 39:2029-35. 2007
    ..This information can be found in anecdotal reports, authoritative reference books for runners, and scientific publications alike, but it lacks a comprehensive review...
  55. ncbi A case report of idiosyncratic hyperthermia and review of U.S. Army heat stroke hospitalizations
    Robert Carter
    CRRSA, Department of Human Factors, France
    J Sport Rehabil 16:238-43. 2007
    ..S. Army. It is known that prior infection is a risk factor for heat illness and some of the 37 heat stroke deaths cited infections (eg, pneumonia, influenza) in the medical records...
  56. doi Assessment of extracellular dehydration using saliva osmolality
    Brett R Ely
    Thermal and Mountain Medicine Division, U S Army Research Institute of Environmental Medicine, Kansas St, Building 42, Natick, MA, 01760, USA
    Eur J Appl Physiol 114:85-92. 2014
    ....
  57. ncbi Dehydration: physiology, assessment, and performance effects
    Samuel N Cheuvront
    Thermal and Mountain Medicine Division, U S Army Research Institute of Environmental Medicine, Natick, Massachusetts
    Compr Physiol 4:257-85. 2014
    ..The impact of dehydration on any particular sport skill or task is therefore likely dependent upon the makeup of the task itself (e.g., endurance, strength, cognitive, and motor skill)...
  58. ncbi Fluid and electrolyte needs for preparation and recovery from training and competition
    Susan M Shirreffs
    School of Sport and Exercise Sciences, Loughborough University, Loughborough LE11 3TU, UK
    J Sports Sci 22:57-63. 2004
    ..Intravenous fluid replacement after exercise has been investigated to a lesser extent and its role for fluid replacement in the dehydrated but otherwise well athlete remains equivocal...
  59. ncbi Sweat iron and zinc losses during prolonged exercise
    Keith C DeRuisseau
    Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306 1493, USA
    Int J Sport Nutr Exerc Metab 12:428-37. 2002
    ..These results suggest a possible iron conservation that prevents excessive iron loss during prolonged exercise...
  60. ncbi Important insight from the 2003 Singapore half-marathon
    Samuel N Cheuvront
    Med Sci Sports Exerc 39:1883; author reply 1884. 2007
  61. ncbi Ginkgo and memory
    Samuel N Cheuvront
    JAMA 289:547; author reply 547-8. 2003