There was a peer-reviewed report published in the journal for Applied and Environmental Microbiology that studied the amount of bacteria that was blown from hand dryers in 36 public restrooms at the University of Connecticut School of Medicine. The sample from the study concluded that as many as 60 colonies of bacteria were blown from a hand dryer in just 30-seconds. A number of those bacteria were linked to fecal and human bacteria, even bacteria known to cause serious infections.

Why YSK: So that you are informed for your own health, hygiene, and wellness and to prevent further spread of more harmful bacteria.

Citation & Sources: “Deposition of Bacteria and Bacterial Spores by Bathroom Hot-Air Hand Dryers” (April 2018), Applied and Environmental Microbiology

https://journals.asm.org/doi/10.1128/AEM.00044-18

  • EnderWi99in@kbin.social
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    1 year ago

    Paid for by the paper towel industry which was in response to the hand dryer industry putting out it’s own paid study about how paper towels just spread fecal matter around your hands. It’s all shit no matter how you spread it.

  • CobblerScholar@lemmy.world
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    1 year ago

    You should also know that when they test for fecal matter they aren’t looking for actual pieces of poo they are looking for bacteria that are present in poo. You will find those bacteria just about everywhere

  • CmdrShepard@lemmy.one
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    1 year ago

    I’m pretty sure that regardless of where you are or what you’re doing, fecal matter is getting blown on your hands. Mythbusters tested this out once by putting tooth brushes all over their shop and then culturing the bacteria from them. IIRC the ones that were in the bathroom had the least amount of fecal matter.

    • PorkTaco@sh.itjust.works
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      1 year ago

      The thing I remember is that even the control toothbrush that got opened and immediately locked away had fecal bacteria on it.

  • TigrisMorte@kbin.social
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    1 year ago

    If the blower is blowing fecal matter then it would also be settling all over the paper towels. Issue is placement not anything to do with the blowers.

    • over_clox@lemmy.world
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      1 year ago

      Almost every public restroom I’ve ever been in has the paper towels and toilet paper locked in a closed dispenser unit.

      • Nindelofocho@lemmy.world
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        1 year ago

        oh those are definitely not sealed or protected from the air in the bathroom anymoreso than a hand dryer is. Not to mention many paper product replacements are stored elsewhere in or at least near the same bathroom

    • eric@lemmy.world
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      1 year ago

      Luckily paper towels are stacked though, so I’ll just avoid wiping my hands with the folds.

  • dan1101@lemm.ee
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    1 year ago

    Yeah if there is nothing but blowers I just wipe my hands on my pants. If the blowers could somehow bring in outside air that should be better, but that complicates the install and maintainence.

  • Hotdogman@lemmy.world
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    1 year ago

    … And a large portion of dust is dead skin cells. Also, during the springtime trees straight up bukake your face and lungs.

  • marcos@lemmy.world
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    1 year ago

    Well, it’s from your (and other people’s) hands, onto everywhere.

    Still, AFAIK it’s not clear if this is a problem.

  • Kobrah@kbin.social
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    1 year ago

    Well I have to touch the door on the way out any way so it really doesn’t matter that much.

  • OutlierBlue@lemmy.ca
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    1 year ago

    Just do what I do and wipe your hands on your pants because those blow dryers are virtually worthless. I’d have better luck blowing on my hands myself.

    Bonus: My pants aren’t covered in fecal mist… I hope.

    • macrocephalic@lemmy.world
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      1 year ago

      Narrator voice: “They were”

      Basically everything is covered in fecal matter of you look well enough, and it doesn’t really matter. It’s really good for selling disinfectant though!

  • I_Miss_Daniel@kbin.social
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    1 year ago

    I don’t care about that. What’s worse for me is that the Dyson ones are so damn loud. It’s a pain having to hold one arm over your head in the stall to cover both ears.

  • Osirus@sh.itjust.works
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    1 year ago

    Only wash my hands and flush the toilet in public restrooms that have touch less sinks. If the toilet isn’t automatic, I use my foot. Use the paper towel you wash your hands with to open the door on the way out or your sleeve if you have long sleeves on, or your elbow if it’s a push door. I’d rather have my own dick on my hands than my own and everyone else’s.

  • Shortstack@reddthat.com
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    1 year ago

    God I never gave that a second thought but they’re right, its just sucking in and blowing farts onto my clean hands

  • Nindelofocho@lemmy.world
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    1 year ago

    didnt the mythbusters do an episode about keeping your toothbrush in the bathroom where their control toothbrush which just existed in a little glass dome for the duration of the test still ended up having the same bacteria thats present in poop as well?