Electric fans may help even in extreme heat, humidity

February 17, 2015 7:32 PM

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Electric fans can help keep core body temperatures and heart rates from going up in extreme heat and humidity, according to a small new study from Australia.

Public health organizations recommend against using fans in extreme heat, because it may warm people up rather than cool them down. The new study suggests fans keep people cool by helping sweat evaporate off their bodies, said Ollie Jay, the study’s senior author from the University of Sydney.

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