A daily habit of sugary-sweetened drinks can boost your risk of developing the disease — even if you're not overweight. Ryan Kellman/NPR hide caption

itoggle caption Ryan Kellman/NPR

Should we drink diet soda or not? The latest study doesn't really clear things up. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Ditching sugar-sweetened drinks in favor of diet ones shaves the empty calories. But it doesn't help if you make up for those calories on your plate. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Drinking diet soda and other low-calorie drinks may help you manage weight, but experts say plain old H2O is still the best way to go. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

It's not clear if diet soft drinks are the healthiest choice. ASSOCIATED PRESS hide caption

itoggle caption ASSOCIATED PRESS