I understand food wasn’t always so abundant, and humans were well served to store excess consumed energy as fat for later use. What I don’t understand is why the body keeps storing fat to the point where a person becomes morbidly obese and it puts their entire health at risk. Why isn’t there a point where the body just let’s the extra calories pass through without saving for later?
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It is extremely unnatural that we have this much to eat, and do not have to put any energy into getting that food. Your safety mechanism didn’t evolve because too much food just wasn’t a big enough problem in the past.
If the fatness of people in the past had prevented them from procreating, then you would have had natural selection, and this trait could have evolved. But fat people in the past were also wealthy, and if anything they did procreate more than the thin poor people.
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