Research Letter

Thermal and Perceptual Responses of Older Adults With Fan Use in Heat Extremes

JAMA Network Open 10.1001/jamanetworkopen.2025.23810

July 29, 2025 at 11:00 AM EDT

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This secondary analysis of a crossover trial examines how fan use affects body temperature, sweating, and thermal perceptions among older adults in extreme heat.

Corresponding Authors: Daniel Gagnon, PhD, Centre ÉPIC, Montreal Heart Institute, 5055 rue St-Zotique Est, Montréal, QC, Canada H1T 1N6 (daniel.gagnon.3@umontreal.ca); Ollie Jay, PhD, Heat and Health Research Centre, University of Sydney, Camperdown, NSW, Australia (ollie.jay@sydney.edu.au).

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