Sugar-free sodas, teas and sport drinks are marketed as the right choice for anyone trying to lose weight or control their diabetes. These diet drinks are normally flavored with artificial sweeteners like saccharine (Sweet N Low), sucralose (Splenda) or aspartame (Equal).
There has been a long-standing diet soda debate over whether they're healthier than regular soda or not. In the conventional nutritional world, which is primarily concerned with counting calories, diet drinks are encouraged as the preferred zero-calorie option. Diabetic nutritional classes typically educate patients to opt for the sugar-free options as the healthy alternative. The alternative health world wouldn't give the diet devil to their worst enemy.
Even in the medical literature there have been conflicting reports. One 2011 study actually showed improved blood sugar in slightly overweight, healthy individuals who consumed the artificially sweetened foods over ones containing the sucrose.
On the other hand, research has correlated a 66% increase risk of diabetes with consuming just 20 ounces of diet soda per week!
Recently a study from Israel's Weizmann Institute of Science further investigated the correlation between artificial sweeteners, weight gain and diabetes. The study, published in the scientific journal Nature, had some compelling findings that may explain the previous contradicting results: