eli5: Why will the body continue to store excess fat to the point where it jeopardizes the person’s health?

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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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Anonymous 0 Comments

If you think of evolution as an intelligent developer (not generally a good idea but it works well enough here), this situation just literally never came up in beta testing.

Now the human model has been released and it’s too late to make modifications (no more or very little selective pressure).

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