Bummed

Typical stupidity/irresponsible reporting at least re headlines/lead-lines. It's not that the carbonated water itself is going to make you gain weight. As it says further into the article, "New research has suggested that sparkling water may actually be making you feel empty, encouraging you to eat more than you would otherwise."

So in other words: "You're going to gain more weight if you eat more (and don't exercise more)." Yeah, well no shit, Sherlock.