15% of the air you breathe in a subway station is human skin

For 2 years, biologists from the University of Colorado analyzed air samples taken from several New York City subway platforms and found that about 15% consisted of skin, most of it from heels and heads of riders.

However -and this is a really disgusting fact– 12% came from other areas such as belly buttons, ear canals, armpits and… rear ends. Still, the study, published by the American Microbiological Association, stated:

“We encountered no organisms of public health concern.”



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