An interesting article at TIME.com:
[N]ew research suggests that the body is not so easily fooled, and that sugar substitutes are no key to weight loss — perhaps helping to explain why, despite a plethora of low-calorie food and drink, Americans are heavier than ever.
I’ve seen similar stories linking artificial sweeteners to weight gain; but what struck me about this article is that it involves testing animals. It would be easy to explain why people who use artificial sweeteners can still gain weight — they could simply be rationalize they can eat more (I know I’ve often done it) — but if tests on animals produce the same results, it suggests the problem is physical more than mental. And this intrigues me a great deal.