If you’re using hot-air hand dryers, you may be exposing yourself to bacteria, including fecal particles from toilets. Here’s what you should do instead.
You might want to think twice before reaching your hands under a hot-air dryer after using a public restroom. Because you could be covering your freshly cleaned hands — with more bacteria.conducted a test to determine if hand dryers in public bathrooms could be dispensing bacteria onto people's hands. To investigate this, researchers exposed petri dishes to the air in bathrooms in various conditions, and brought the dishes back to their lab to see if bacteria was growing on them.
What they found was that"petri dishes exposed to bathroom air for two minutes with the hand dryers off only grew one colony of bacteria, or none at all," according to aBut,"petri dishes exposed to hot air from a bathroom hand dryer for 30 seconds grew up to 254 colonies of bacteria ."Despite that slightly alarming discovery, you can still wash and dry safely. Here's how.
Also, keep in mind that the highest risk for most of the bacteria detected in the hand dryers are for people in hospitals or those with weakened immune systems.
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