The influence of artificial sweeteners on the brain and ultimately metabolism has been hotly debated in recent years. Some studies have found adverse effects on blood sugar and insulin levels, while others have not. In a study publishing March 3 in the journal Cell Metabolism, researchers say the discrepancies in these studies may be due to how the sweeteners are consumed — or, more specifically, what they are consumed with.
Source: Artificial sweeteners combined with carbs may be more harmful than those sweeteners alone