From an anthropological perspective,what would be the advantage of a setpoint for fat?

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From an anthropological perspective, the advantage of a set point for fat would be that fat storage and retention helped protect people during food shortages. Human ancestors who were able to store fat more efficiently would have had a better chance of surviving through periods of food scarcity and passing on their genes to future generations. This adaptation would have ensured a steady supply of energy during times when food was not readily available.

From an Anthropological Perspective,what Would Be the Advantage of a Setpoint