Dirty Places: Your TV Remote Control

It's dropped on the floor, stuffed between the sofa cushions, coughed on and sneezed at. Everyone in the house handles it.

"Anything people touch a lot has germs on it," Abruzzo tells WebMD. The University of Virginia study of cold viruses on household surfaces showed the remote control's surface is among the germiest. Researchers found that half of the remote controls tested were positive for cold viruses.