Random Dirtiest Things You Touch Every Day (12 items)

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  (#2) Computer Keyboards

  In a study from a British consumer group in 2008, scientists randomly sampled 33 computer keyboards, and out of these tested, four were considered a health hazard. One was even discovered to possess more bacteria than your average toilet.

  Also in 2008, the CDC linked an outbreak of norovirus to a keyboard and mouse in a first-grade classroom.
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  (#5) Shopping Carts

  Think of every possible bacteria-filled thing a person can touch; once they hit their local supermarket, those things include the handle of any shopping cart. A study from the University of Arizona found shopping carts were loaded with more bacteria, saliva, and fecal matter than escalators, public telephones, and even public bathrooms.

  So next time you're at a supermarket, you might as well pick yourself up some hand sanitizer or Clorox Disinfecting Wipes.
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  (#10) Door Knobs

  A lot of people wash their hands before leaving the bathroom, but more people than you may think don't. Doorknobs - and other objects - made from copper, silver, and brass, naturally kill germs over time. But it can take hours or weeks to occur. 

  Steel and aluminum doorknobs, however, don't do much to stop bacterial growth, which means germs can easily spread.
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  (#8) Kitchen Sinks

  Though it may seem counterintuitive, kitchen sinks are actually a breeding ground for bacteria, especially E. coli. The bacteria can thrive on food in the disposal and leftovers on dirty plates. And hot water isn't enough to properly clean your sink: bacteria actually thrives in moist environments.

  To make sure your sink is germ-free, you should use a disinfectant regularly.
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  (#7) Whirlpool Bathtubs

  In a study from Texas A&M University, scientists found 81% of whirlpool bathtubs they tested possessed fungal growth. Thirty-four percent contained bacteria that can cause staph infections, and 95% had bacteria associated with fecal matter.

  For baths that get you actually clean, you'll need to remember to clean bathtub jets with a little dishsoap and Clorox Bleach.
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  (#12) Shifter Knobs

  Think about it: you have to touch your shifter knob at least twice every time you drive - and a lot more if you have a manual transmission. Now think about all the fast food and money you've handled right before putting your hand back on the shifter.

  Any germs on your hands are likely to move on your shifter. If you don't make a habit of cleaning your car's interior, you may want to add that to your to-do list.

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