Gross, but true. We are covered in bacteria. Microbiologists at Nova Southeastern University say there are 10 bacteria living on you for every one cell you have.
http://miami.cbslocal.com/2013/11/20/how-dirty-are-the-items-you-touch-everyday/
http://miami.cbslocal.com/2013/11/20/how-dirty-are-the-items-you-touch-everyday/
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