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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Evolution isn’t ‘done’ with any animal including humans. We’ve developed methods and technologies that enable us to produce and distribute more calories for everyone to consume than ever before. It’s not a failure of evolution.
Those humans who can adapt best to this environment (whether it be consume lots of calories and metabolize it all quickly before it’s unhealthy, or mentally resist the urge to consume excessive calories, etc) will then produce more people who are more advantageous to a calorie-surplus world.
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