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You may have heard stories percolating around the Internet about “fan death” – the widespread Korean belief that sleeping with a fan on puts you in mortal danger. The fear of fan death is so pervasive that the Korea Consumer Protection Board actually issued an advisory in 2006 warning people of the risks.
Most of us might scoff at such a ridiculous idea, but a recent article in The Atlantic approached the subject with sober curiosity. What are the roots of this supposed urban legend, and why does it continue to have such a pervasive influence on Koreans despite the lack of any scientific evidence?
But to most of us, the idea that using a fan can lead to death seems simply ludicrous.
Or is it?
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Are Electric Fans Bad for Your Health?
According to a new review published by the Cochrane Library, running an electric fan during a heat wave might actually accelerate heat-related illnesses that can lead to death.
When air conditioning is not available, electric fans have always been considered as the go-to alternative for keeping cool. While they don’t actually cool the air, they circulate the air and help evaporate the sweat from your skin so that you feel cooler. Generally, speaking some relief is better than no relief.
But the new review, as reported by Time.com, says that in extreme heat – temperatures over 95°F – these effects can actually do more harm than good.
Health complications arise when too-hot air is blown over the body and promotes rapid dehydration.
“‘An increase [in] sweating can cause dehydration and electrolyte imbalances. If these fluids and electrolytes are not replaced quickly enough, there is a possibility [that fans] may do more harm than good,” say the authors of the review.” (Source: Time.com)
The shock to the body’s system can lead to heat illnesses such as heat exhaustion and heat stroke. These conditions can lead to disastrous consequences, especially for old people, very young children, and people already suffering from illness.
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Clik here to view.When Not to Use Your Electric Fan
While studies that conclusively link electric fan use to heat-related deaths are still inconclusive, it’s important to note that the U.S. Centers for Disease Control and Prevention only recommend fan use for temperatures below 90°F.
When it’s hotter, turn on an air conditioner.
If AC is not available, take a cool shower or bath, or seek out community cooling shelters where you can get relief from the heat.
Survive the Next Heat Wave with Portable Air Conditioners
Whether or not a fan can actually increase the risks of heat-related death, it’s probably not enough to keep you comfortable and healthy in extreme heat.
Before the next heat wave hits, be prepared to protect yourself and your family from high temperatures. Portable air conditioners and window air conditioners cost only a fraction of central AC systems, but provide all the cooling you need to survive the hottest days.