“[A] study published by the American Psychological Association shows that synthetic fat substitutes used in low-calorie potato chips can backfire and contribute to weight gain more so than their fatty counterparts.”
It seems that olestra tricks the body so convincingly into believing that calories are coming that our metabolism does its own thing. (Just as artificial sweeteners are now being shown to trick the body into believing sugar is coming, and messing up insulin production.)
Eat well and drink local. Tips for a rich and happy life.