Well, to be fair it's pretty old news. Hell, at one time sugar (of all things) was pushed for diets as it was believed to regulate your appetite.
Here's an old ad:
http://www.flickr.com/photos/sa_stev...7606389427177/
So basically, drink your diet sodas, just don't cram shitloads of food into your gullet on top of it and think you're doing yourself a favor.
