A registered dietitian breaks down diet vs. regular soda—the pros, cons, and gut-health questions—and explains when each can ...

It’s the kind of question that pops up at grocery store aisles: What’s the real difference between Diet Coke and Coke Zero?

Is switching from regular soda to diet soda good for you? I’ll admit: I started researching this topic for entirely selfish reasons. For years now, I’ve liked to have a Coke or three (if Dr Pepper is ...