Diet drinks may have zero calories but those artificial sweeteners are
not necessarily sliding through your digestive system unnoticed.
According to new research, sugar substitutes can change the guest list
at that bacterial party in your intestines known as your microbiota.
The researchers who made the finding say that in mice, at least, this
disturbance in the internal ecosystem actually raised blood sugar, thus
defeating the purpose of these products by increasing risk for type 2
diabetes and obesity.



http://www.forbes.com/sites/fayeflam...ndly-bacteria/