Cold, hard -- and dirty -- cash

March 28, 2013 3:28:05 PM PDT
You may want to wash your hands every time you pay with cash. A team of scientists at Oxford University found an average banknote contains 26,000 bacteria.

Those are enough germs to make you feel nauseous, and possibly even spread disease. Even the newest --and therefore cleanest --notes tested contained 24,000 bacteria.

Experts say to prevent infection, people should keep their hands away from their eyes, nose, and mouth and wash their hands often.