A study published earlier this month in Nature suggested, controversially, that noncaloric artificial sweeteners could induce glucose intolerance, typified by conditions such as pre-diabetes and diabetes. In other words, the chemicals we developed to cater to a diabetic market may in fact be causing diabetes.
Opponents of soda taxes say they don't work. They point to a study from the University of Wisconsin at Madison. Actually, that study showed that soda taxes do work. Weak soda taxes of three percent, without any accompanying public health campaign, work weakly. But, they work. They decrease soda consumption.