Yep, according to a new study: http://news.yahoo.com/s/ap/20080311/ap_on_he_me/teen_stds
But that's not the interesting part. This is:
"She said there are a lot of myths out there, too — many sexually active teens think the withdrawal method will protect them, or that
douching with Coca-Cola will kill STD germs."
Coca-Cola? I mean really... shame on you, all you health teachers