I came across this post when I was searching the web for a product. I loved this guys take on diet soda. Nothing can be proven yet because studies are still in effect. I like his approach on taking the facts... the taste, the unpronounceable ingredients, people who are "trying" to lose weight but live on the stuff.
I didn't read the whole article just bits and pieces because quite frankly I don't have a diet soda (or plain soda) drinking problem. It is definitely an interesting read, I think, and there will always be those out there who will defend their habit.
My opinion- if you choose to drink soda. Drink regular- and even then limit it to at least one every other day and eventually to just every once in awhile. Quite honestly-- if you are worried about your health at all-- just don't drink it. Water really isn't that bad.
Another little tid bit-- you can make your own kind of soda like drink a little more natural like. If it is that burning sensation you crave. (Yes it seems I may have a natural alternative for almost everything!) Go here to read how.