Washing your hands is the first defence against all kinds of nasty bacteria. But do you wash under your fingernails? Maybe you should, says Jason G Goldman.
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Here's All the Disgusting Stuff That Grows Under Your Nails When You Don't Wash Your Hands
How much bacteria is lurking on our everyday essentials?: Our nails have more bacteria than any other surface, including a toilet seat!!! : r/STEW_ScTecEngWorld
Do long nails carry more germs and are difficult to clean? - Quora
Dirt Under Fingernails Royalty-Free Images, Stock Photos & Pictures
What lives under your fingernails?
Dirt Under Fingernails Royalty-Free Images, Stock Photos & Pictures
Fact or Cap - do worms live under your fingernails?!
Proteobacteria - Javon Heard's Weebly