Rachel Cottle, Ph.D.

Rachel Cottle, IEEM

Post-Doctoral Fellow,
Institute for Exercise and Environmental Medicine
University of Texas Southwestern Medical Center
Department of Internal Medicine
Texas Health Presbyterian Dallas

Education

  • Postdoctoral Research Fellow, Institute for Exercise and Environmental Medicine, University of Texas Southwestern Medical Center, Department of Internal Medicine
  • Doctorate of Philosophy in Kinesiology, The Pennsylvania State University
    • Research Area: Aging and Thermoregulation
  • Masters of Science in Kinesiology, The Pennsylvania State University
  • Bachelors of Science in Kinesiology, The Pennsylvania State University

Contact Info

Rachel Cottle, Ph.D.
Postdoctoral Fellow, Department of Internal Medicine
Institute for Exercise and Environmental Medicine
Texas Health Presbyterian Dallas
7232 Greenville Avenue, Dallas, TX 75231
Email: RachelCottle@texashealth.org
Office: 214-345-4184

Highlighted Publications
  • Low-cost cooling strategies for older adults in the heat

    Cottle RM, Fisher KG, Leach OK, Conroy DE, Alexander LM, Kenney WL. Intermittent hand and forearm immersion in 20°C water attenuates thermal, cardiovascular, and perceptual strain in older adults during heat stress. Exp Physiol. 2025 Jul 7. doi: 10.1113/EP092789. Epub ahead of print. PMID: 40621864.

    https://pubmed.ncbi.nlm.nih.gov/40621864/

  • Older adults have lower critical environmental limits for the maintenance of heat balance

    Wolf ST, Cottle RM, Fisher KG, Vecellio DJ, Kenney WL. Heat stress vulnerability and critical environmental limits for older adults. Commun Earth Environ. 2023;4(1):486. doi: 10.1038/s43247-023-01159-9. Epub 2023 Dec 18. PMID: 38293008; PMCID: PMC10826365.

    https://pubmed.ncbi.nlm.nih.gov/38293008/

  • Older adults have lower environmental heart rate thresholds

    Cottle RM, Fisher KG, Leach OK, Wolf ST, Kenney WL. Critical environmental core temperature limits and heart rate thresholds across the adult age span (PSU HEAT Project). J Appl Physiol (1985). 2024 Jul 1;137(1):145-153. doi: 10.1152/japplphysiol.00117.2024. Epub 2024 May 30. PMID: 38813613; PMCID: PMC11389895.

    https://pubmed.ncbi.nlm.nih.gov/38813613/

  • Hydration and exercise in the heat

    Berry CW, Wolf ST, Cottle RM, Kenney WL. Hydration Is More Important Than Exogenous Carbohydrate Intake During Push-to-the-Finish Cycle Exercise in the Heat. Front Sports Act Living. 2021 Oct 21;3:742710. doi: 10.3389/fspor.2021.742710. PMID: 34746777; PMCID: PMC8568039.

    https://pubmed.ncbi.nlm.nih.gov/34746777/

  • Sex differences in heat stress vulnerability

    Leach OK, Cottle RM, Fisher KG, Wolf ST, Kenney WL. Sex differences in heat stress vulnerability among middle-aged and older adults (PSU HEAT Project). Am J Physiol Regul Integr Comp Physiol. 2024 Sep 1;327(3):R320-R327. doi: 10.1152/ajpregu.00114.2024. Epub 2024 Jul 15. PMID: 39005081; PMCID: PMC11444510.

    https://pubmed.ncbi.nlm.nih.gov/39005081/

  • Metabolism- and sex-dependent critical WBGT limits at rest and during exercise in the heat.

    Wolf ST, Folkerts MA, Cottle RM, Daanen HAM, Kenney WL. Metabolism- and sex-dependent critical WBGT limits at rest and during exercise in the heat. Am J Physiol Regul Integr Comp Physiol. 2021 Sep 1;321(3):R295-R302. doi: 10.1152/ajpregu.00101.2021. Epub 2021 Jul 14. PMID: 34259026; PMCID: PMC8530760.

    https://pubmed.ncbi.nlm.nih.gov/34259026/

  • Uncompensable heat stress occurs well below the theoretical 35°C wet-bulb threshold

    Vecellio DJ, Wolf ST, Cottle RM, Kenney WL. Evaluating the 35°C wet-bulb temperature adaptability threshold for young, healthy subjects (PSU HEAT Project). J Appl Physiol (1985). 2022 Feb 1;132(2):340-345. doi: 10.1152/japplphysiol.00738.2021. Epub 2021 Dec 16. PMID: 34913738; PMCID: PMC8799385.

    https://pubmed.ncbi.nlm.nih.gov/34913738/

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