A new study shows that those hand dryers in public restrooms, suck fecal material up....and blow it back on your hands.

According to CNBC, when you get done washing your hands in a public restroom, those air dryers are putting nasty stuff back on them. 

Study author Peter Setlow says the following:

These results indicate that many kinds of bacteria, including potential pathogens and spores, can be deposited on hands exposed to bathroom hand dryers, and that spores could be dispersed throughout buildings and deposited on hands by hand dryers,

Mr. Setlow says that he prefers to go old school and use paper towels. Or there is what we call the Double T where you just use your pants.