Dude, did you just double-dip?
Remember that Seinfeld episode? Turns out someone in the academic world decided to test whether there's any problem from double-dipping your chips in the dip:
http://www.nytimes.com/2008/01/30/di...tml?ref=health
Note: you may need to register with NY Times to see this article, but they don't spam or anything.
JB