I don't think its quite quantifiable. The snack food industry knows this too. They spend lots of money figuring out how to make foods addicting. The human psych

I don't think its quite quantifiable. The snack food industry knows this too. They spend lots of money figuring out how to make foods addicting. The human psychology to eat a calorie deficit and not feel constantly hungry is sure as studiable as junk food addiction. Sure it isn't quite as simple as how much energy burning food items gives off, but it shouldn't be discounted.