Who's doing it wrong and who's right?
"The dirtiest part of your body is your rectum, or your anus," Dr. Oz, Vice-Chair and Professor of Surgery at Columbia University, says. "So if you go back-to-front, you risk carrying bacteria that aren't supposed to be in your urine up to the front. That's why many women actually get urinary tract infections. All women ought to be dabbing or going from front to back."