With its colorful cans and buzzy gut-health claims, Poppi soda is having a moment-largely thanks to social media. But as more people swap their sugary drinks for this popular prebiotic soda brand, one ...

Diet soda has no sugar, few or zero calories, and does not spike your blood sugar levels. It sounds like it should be a perfect drink for people with diabetes. Is it? While sugar-free soda is almost ...