Copyright 2016 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
Heat-related morbidity and mortality are important health challenges posed by global climate change.1 Electric fans provide a low-cost and accessible cooling intervention, although their effectiveness remains debatable. Due to theoretical risks of accelerated heat gain and dehydration, fan use is discouraged above ambient temperatures of approximately 35°C.2 However, empirical data to support or refute their use during heat wave conditions are sparse.3
Gagnon D, Romero SA, Cramer MN, Jay O, Crandall CG. Cardiac and Thermal Strain of Elderly Adults Exposed to Extreme Heat and Humidity With and Without Electric Fan Use. JAMA. 2016;316(9):989-991. doi:10.1001/jama.2016.10550