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Medical News & Perspectives
Quick Uptakes
September 18, 2019

In Hot, Humid Weather, Fans Benefit Health and Environment

JAMA. 2019;322(14):1340-1341. doi:10.1001/jama.2019.14684

Air-conditioning has become a hot commodity worldwide, thanks to rising global temperatures and household incomes.

Often overlooked in the rush to chill is the humble fan, in part because some public health agencies have discouraged the use of fans in extremely hot weather. But a recent study by researchers at the University of Sydney suggests that, in certain conditions, fans can help keep people comfortable at a fraction of the cost of air-conditioning.