http://canadianpress.google.com/article/ALeqM5iZN22XyyLumpL39gWlKCxu_7xOFg

All you double-dippers, back away from the chip dip bowl.

Seems the famous Seinfeld episode was right – double-dipping does transfer mouth microbes from bitten chips or vegetables into the dip. After multiple double-dippers, what might look like an enticing snack may actually be a microbial soup