Dangerous to the Heart: when the Fan Should Be Better Off in Heat

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If you don't drink enough in the heat and use a fan, you could additionally strain your cardiovascular system, which is shown by a new study.

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What effect does a fan have in hot weather? The response of three scientists in Australia to this is also a warning. In their experiments it turned out that a fan can do more harm than good, because an already existing dehydration strengthens the fan. The strain on the heart is even greater than without a fan during dehydration. The three scientists found this out by placing 20 healthy subjects in a heat chamber for three hours each on different…

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Sydney – Using fans to cool down in extreme heat? Yes, but only if you've hydrated. According to a new study, fans increase cardiovascular stress during heat exposure when you're dehydrated. As the team led by Connor Graham from the University of Sydney reports in JAMA...