There is definitely a difference between having an appetite (wanting to eat) and being hungry (needing to eat). If you cut back on your calories, you pretty quickly notice the difference between the two situations.
Hmmm.. I think I was misreading what you were asserting. I was taking it to meant it is a purely learned behavior. While I can see how it has heavily learned aspects, I'm curious if it is solely a learned thing. More, I'm curious how successful people can change their learned behavior.
Carbs that are quickly digested set you up for a roller coaster of blood sugars. It's the sudden crash of the blood sugar that makes your body tell you that you better grab something sugary again for another dopamine fix. Our bodies are much better at detecting fluctuations compared to absolutes.
I tend to agree with the original assertion and I think there must be some truth to it when you look at how many people get up from their desks and eat exactly at lunch when they can take their lunch whenever they want.
