Diet sodas may undermine weight loss efforts, a new study suggests. Researchers put 81 overweight women with Type 2 diabetes on the same weight-control diet, except that half drank diet beverages five times a week after their main meal at lunch, while the other half substituted plain water. The study is in Diabetes, Obesity and Metabolism.
After 24 weeks, the water group had lost an average of 14 pounds, while the diet soda group lost 11.5 pounds. Average body mass index declined by 2.49 in the water group compared with 2.06 in the diet-drink group. Compared with the diet soda group, the water group also had greater improvements in fasting insulin, postprandial glucose level and other measures of diabetes severity.
Excerpted from nytimes.com