New forms of food production

Modern societies are characterized by the possession, in majority sectors of the population, of more food than can be consumed, the generalization of the consumption of chemically pure substances, greater longevity together with the decrease in infant mortality, the increase in mechanization with the consequent decrease in physical work and energy needs. It should be taken into account that the needs for certain nutrients do not decrease even if the energy needs do; Under these conditions, we could find ourselves in situations of relative deficiencies of some nutritional substances. & &


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