As a result of brain evolution, humans managed to develop much more efficient and less risky forms of gaining food than most other carnivorous and om… - Jerzy Vetulani

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As a result of brain evolution, humans managed to develop much more efficient and less risky forms of gaining food than most other carnivorous and omnivorous terrestrial mammals. We do not need now, like our distant ancestors, to go through long periods on the verge of hunger and use all suitable occasions for immoderate consumption "in reserve." Today, in a civilized world, thanks to effective production, we have enough food, and we could consume it rationally, in quantities necessary for efficient functioning. But after our ancestors, we have a deeply ingrained habit of "gorging", especially if the food is attractive. Together with prosperity, the world has been overtaken by an epidemic of obesity and overweight.