Souring on Artificial Sweeteners: Substances May Boost Appetite

Artificial sweeteners have gone from diet darlings — touted for allowing people to get a hit of sweetness without the calories of sugar — to a more maligned ingredient, as evidence mounts suggesting a complicated net effect on calorie consumption. Now, a new study done in fruit flies and mice offers insights into how zero-calorie sweeteners may actually increase appetite. Previous studies in both humans and animals have suggested that artificial sweeteners might promote weight gain,