The Time 
(7/13, Sifferlin) "Healthland" blog reports that "a new review
published in the Cochrane Library suggests that there's no good evidence
that" electric "fans help during a heatwave." The devices, "unlike air
conditioning...don't actually cool the air, but bring in cooler air from
outside if placed near a window." This "backfires, however, when air
temperatures rise over 95°F - using an electric fan when it's that hot
can actually increase your body's heat stress by blowing air that is
warmer than the ideal body temperature
over your skin." The blog points out that "the U.S. Centers for Disease
Control and Prevention (CDC) recommends electric fan use only when
temperatures are below the 90s."
(7/13, Sifferlin) "Healthland" blog reports that "a new review
published in the Cochrane Library suggests that there's no good evidence
that" electric "fans help during a heatwave." The devices, "unlike air
conditioning...don't actually cool the air, but bring in cooler air from
outside if placed near a window." This "backfires, however, when air
temperatures rise over 95°F - using an electric fan when it's that hot
can actually increase your body's heat stress by blowing air that is
warmer than the ideal body temperature
over your skin." The blog points out that "the U.S. Centers for Disease
Control and Prevention (CDC) recommends electric fan use only when
temperatures are below the 90s."
WebMD
(7/13, Boyles) reports that although "the review found little evidence
of health harms linked to the use of electric fans among people without
air conditioning, researchers concluded that better studies are needed
to fully understand their impact during heat waves."
(7/13, Boyles) reports that although "the review found little evidence
of health harms linked to the use of electric fans among people without
air conditioning, researchers concluded that better studies are needed
to fully understand their impact during heat waves."
HealthDay
(7/13, Preidt) reports that review co-author Katie Carmichael said in a
news release that "Our review does not support or refute the use of
electric fans during a heat wave and people making decisions about them
should consider the current state of the evidence base. They might also
wish to make themselves aware of local policy or guidelines when making a
choice about whether or not to use or supply electric fans."
(7/13, Preidt) reports that review co-author Katie Carmichael said in a
news release that "Our review does not support or refute the use of
electric fans during a heat wave and people making decisions about them
should consider the current state of the evidence base. They might also
wish to make themselves aware of local policy or guidelines when making a
choice about whether or not to use or supply electric fans."
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