Two new studies have linked diet soda to poorer health.
In one study, people who drank two or more diet sodas a day experienced waist size increases that were six times greater than those of people who didn't drink diet soda. A second study that found that aspartame (NutraSweet) raised blood sugar levels in diabetes-prone mice.
According to The Week:
"... [R]esearchers speculate that the artificial sweeteners warp appetite, leaving diet soda drinkers hungry for unhealthy treats ... The results were the same for all diet soda drinkers, even after factors such as exercise, social class, education, and smoking were taken into account."