geez, you really like soda. I have no skin in the game here, and I dont know the correct answer but there's some studies...

https://www.ncbi.nlm.nih.gov/pubmed/19151203

http://www.purdue.edu/newsroom/releases/2013/Q3/prof-diet-dr...

or, this wraps up some other links and discussion... http://therenegadepharmacist.com/diet-coke-exposed-happens-o...