I think it's pretty well known by now that the more carbs we eat the more we want to eat. There is an addictive quality to those evil (nice!) horrible (yummy!) carbs (bastards!). I'd always thought this was an insulin reaction (in everyone, not just diabetics) but apparently there's more to it.
Dr Zane Andrews of Monash University (Australia) says "The more carbs and sugars you eat, the more your appetite-control cells are damaged, and potentially you consume more"
Don't ask me why he says Carbs and sugars when sugars are carbs...
But the article is well worth a read. Check it out here.
Your food is watching you! (image from evil mad scientist with instructions for making your own edible googly eyes - coool!)