Key points from article :
Could lead to obesity and related ailments such as diabetes.
Sweeteners change the population of intestinal bacteria that direct metabolism.
May favour the growth of bacteria that make more calories available to us.
Genetically obese mice have 50 percent fewer Bacteroidetes bacteria than normal mice.
Small study of 381 people found artificial sweeteners users more likely to be overweight.
The study was published in the Scientific American journal.
