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Posted by: DevilmunkeyThe human body has evolved a number of mechanisms to help us survive periods of hardship and lack of food. Up until quite recently, malnutrition and starvation were common and very serious problems (as is sadly still the case in many parts of the world). An appropriate pleasure response to ingesting foods (e.g. dopamine and other edocrine responses) encourages the body to consume food via a reward system.Foods particulary high in fats and sugars would have been extremely valuble (in a biological sense) to our ancestors as they are energy (calorie) dense. As food is generally more readily available, it becomes very easy to over consume, we have yet to evolve beyond the food-scarcity scenario that our bodies are sensitive to.
Posted by: cheryl jIt would be nice if the body balanced food intake or absorption, the way it does water, but it doesnt, because we can store extra calories in a relatively light weight form, fat, that also serves the purpose of insulating from the cold, as well as cushioning and protecting the organs of the body. And what was healthy in times of scarcity (sugar, fat, protein) is not as healthy in times of high abundance.But I do notice that it is possible to change certain preferences. If you get used to a really low sodium diet for example, normal foods start to taste almost too salty. And if you start eating more fruits and vegetables for several weeks or months, you will probably crave them when if you stop. So its not a losing battle to try to change your eating habits. I think it works better if instead of totally and abruptly denying yourself certain things, you "crowd them out" with healthier food for a while, until you wean yourself off the junk.
Posted by: Don_1Yum yum..... fooooooooood!I do like a nice lamb shank with rosemary......... SLURP...
Posted by: imatfaalJust came back from lamb cutlets for lunch - Sorry Don, I beat you to it!
I just find it interesting that as humans we have not evolved an instinct to not really take pleasure in food but to develop a need that just satiates the body requirements.