Bathroom hand dryers are blowing feces particles on you

Here's why using a hand dryer in a public bathroom is actually a bit sick

"And there are a lot of bacteria in bathrooms".

"As many as 60 different bacterial colonies can be blown out of the machines in just one 30-second drying" the report says. "The more bacteria stick", Lead study author Peter Setlow told Business Insider. However, a new study is questioning whether the hot air method is sanitary.

Into a hand dryer and onto your clean hands, perhaps.

A hand is illuminated.

For the study, a Connecticut-based team looked at 36 bathrooms at facility of the University of Connecticut School of Medicine, Newsweek notes, where one lab produces large amounts of spores of PS533, a specific but harmless strain of bacteria Bacillus subtilis.

And some of that bacteria is human waste.

"Within a large building, potentially pathogenic bacteria including bacterial spores may travel between rooms, and subsequent bacterial/spore deposition by hand dryers is a possible mechanism for spread of infectious bacteria including spores of potential pathogens if present", the study said.

Another might be because they don't want to use toilet roll to dry themselves because that's disgusting.

"Perhaps the filters weren't working properly, or the large air column below the hand dryers was sucking in bacteria from unfiltered air adjacent to the forced air column", Setlow, who is a professor at the University of CT, explained.

Hand dryers in public restrooms are often touted as a more environmentally friendly way of drying your hands.

Researchers analysed hand dryers from male and female bathrooms in three separate areas.

For now, Setlow is sticking to paper towels-as is the University of CT, which has added them to all 36 bathrooms surveyed in the study.

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