Girl's hands are dirtier than boy's hands

[Aero]

Really? Well, yes, according to this study.

A new study found that women have a greater variety of bacteria on their hands than men do.

The researchers aren't sure why women harbored a greater variety of bacteria than men, but Fierer suggested it may have to so with the acidity of the skin. Knight said men generally have more acidic skin than women.

http://apnews.excite.com/article/200811 ... NCHO0.html

So tell your mother to wash her hands?