Seven things to avoid touching on a plane

Some nasty germs can last for days
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Frequent flyers accept exposure to germs is unavoidable.

But they also know there are some things you can do to minimize your risk at 30,000 feet.

Explore>> Read more trending stories says there are seven things you shouldn't touch on an airplane.

Armrests tops the list of things to avoid.

Also on the list of things you should avoid touching: tray tables.  A 2007 study revealed four in six tested positive for MRSA bacteria and noroviruses.

Rounding out the list of things you shouldn't touch on a plane: The inside door handle of the restroom, the restroom faucet handles, the toilet flushing button, blankets and the toilet seat.