EPISODE · Feb 16, 2026 · 8 MIN
/Highlights/ Saving Lives at 50°C: Cooling Vests in Mecca, MS, and Elderly Care – José Näf (Pt4)
from Physical Activity Researcher · host paresearcher
What if cooling vests could help save lives during mass pilgrimages in extreme heat? Learn how these innovations are being adapted for religious and cultural use. "Lean more about Nahtlos Duratrode electrodes at https://www.nahtlos.com/" In this episode, Dr. Olli Tikkanen and José Näf explore the life-saving potential of evaporative cooling vests in extreme environments, including the Hajj pilgrimage, where temperatures can exceed 50°C. José discusses the development of seam-free cooling garments that comply with religious dress codes, offering relief for thousands of elderly pilgrims walking long distances in dry, desert climates. The conversation also covers the role of cooling vests in protecting older adults in Southern Europe during heat waves and how humidity levels affect the performance of evaporation-based cooling. José outlines exciting product development on the horizon, including new designs for head and neck cooling and integrating airflow with evaporation for stronger effects—all without electronics. This episode highlights the future of wearable cooling technology and its role in protecting vulnerable populations under rising global temperatures. _______ This podcast episode is sponsored by Fibion Inc. | Better Sleep, Sedentary Behaviour and Physical Activity Research with Less Hassle --- Collect, store and manage SB and PA data easily and remotely - Discover ground-breaking Fibion SENS --- SB and PA measurements, analysis, and feedback made easy. Learn more about Fibion Research --- Learn more about Fibion Sleep and Fibion Circadian Rhythm Solutions. --- Fibion Kids - Activity tracking designed for children. --- Collect self-report physical activity data easily and cost-effectively with Mimove. --- Explore our Wearables, Experience sampling method (ESM), Sleep, Heart rate variability (HRV), Sedentary Behavior and Physical Activity article collections for insights on related articles. --- Refer to our article "Physical Activity and Sedentary Behavior Measurements" for an exploration of active and sedentary lifestyle assessment methods. --- Learn about actigraphy in our guide: Exploring Actigraphy in Scientific Research: A Comprehensive Guide. --- Gain foundational ESM insights with "Introduction to Experience Sampling Method (ESM)" for a comprehensive overview. --- Explore accelerometer use in health research with our article "Measuring Physical Activity and Sedentary Behavior with Accelerometers ". --- For an introduction to the fundamental aspects of HRV, consider revisiting our Ultimate Guide to Heart Rate Variability. --- Follow the podcast on Twitter https://twitter.com/PA_Researcher Follow host Dr Olli Tikkanen on Twitter https://twitter.com/ollitikkanen Follow Fibion on Twitter https://twitter.com/fibion https://www.youtube.com/@PA_Researcher
What this episode covers
What if cooling vests could help save lives during mass pilgrimages in extreme heat? Learn how these innovations are being adapted for religious and cultural use. "Lean more about Nahtlos Duratrode electrodes at https://www.nahtlos.com/" In this episode, Dr. Olli Tikkanen and José Näf explore the life-saving potential of evaporative cooling vests in extreme environments, including the Hajj pilgrimage, where temperatures can exceed 50°C. José discusses the development of seam-free cooling garments that comply with religious dress codes, offering relief for thousands of elderly pilgrims walking long distances in dry, desert climates. The conversation also covers the role of cooling vests in protecting older adults in Southern Europe during heat waves and how humidity levels affect the performance of evaporation-based cooling. José outlines exciting product development on the horizon, including new designs for head and neck cooling and integrating airflow with evaporation for stronger effects—all without electronics. This episode highlights the future of wearable cooling technology and its role in protecting vulnerable populations under rising global temperatures. _______ This podcast episode is sponsored by Fibion Inc. | Better Sleep, Sedentary Behaviour and Physical Activity Research with Less Hassle --- Collect, store and manage SB and PA data easily and remotely - Discover ground-breaking Fibion SENS --- SB and PA measurements, analysis, and feedback made easy. Learn more about Fibion Research --- Learn more about Fibion Sleep and Fibion Circadian Rhythm Solutions. --- Fibion Kids - Activity tracking designed for children. --- Collect self-report physical activity data easily and cost-effectively with Mimove. --- Explore our Wearables, Experience sampling method (ESM), Sleep, Heart rate variability (HRV), Sedentary Behavior and Physical Activity article collections for insights on related articles. --- Refer to our article "Physical Activity and Sedentary Behavior Measurements" for an exploration of active and sedentary lifestyle assessment methods. --- Learn about actigraphy in our guide: Exploring Actigraphy in Scientific Research: A Comprehensive Guide. --- Gain foundational ESM insights with "Introduction to Experience Sampling Method (ESM)" for a comprehensive overview. --- Explore accelerometer use in health research with our article "Measuring Physical Activity and Sedentary Behavior with Accelerometers ". --- For an introduction to the fundamental aspects of HRV, consider revisiting our Ultimate Guide to Heart Rate Variability. --- Follow the podcast on Twitter https://twitter.com/PA_Researcher Follow host Dr Olli Tikkanen on Twitter https://twitter.com/ollitikkanen Follow Fibion on Twitter https://twitter.com/fibion https://www.youtube.com/@PA_Researcher
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/Highlights/ Saving Lives at 50°C: Cooling Vests in Mecca, MS, and Elderly Care – José Näf (Pt4)
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