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

When your body runs out of energy from sugar/carbs/ etc. it uses the fat to pull energy from. There was a long time where those things were hard to find so we stored fat to make sure we can get through times of drought or famine. Getting fats and sugars have become easier to get and evolution hasn’t caught up

Edit: typos/missing words.

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