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Fish and Meat in Man's Diet: an Historical Perspective

It is suggested that since earliest times man has not changed his dietary requirements and that he has not adapted to accommodate large quantities of saturated fats of animal origin. Man has consistently consumed vegetable and marine oils of a highly polyunsaturated nature; these are required to provide fluidity and permeability in the architecture of the cells. This is considered in terms of generations, working on the premise of 5 generations per century.