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JAMA. 1924;83(17):1350-1351. doi:10.1001/jama.1924.02660170066027.
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Tasks and Problems of the Physiology of Work  Professor Atzler, department head in the Emperor William Institute for the Physiology of Work, in Berlin, gave an interesting address in Innsbruck recently on the tasks and problems of the physiology of work, which was then published in the Deutsche medizinische Wochenschrift. On the basis of the researches of the Swedish ethnologist Lundborg, Atzler emphasizes that the peasant or agricultural population and the middle class of the towns and cities constitute the most important elements of a healthy national life. The leading strata of society have their origin in these two elements. However, as industrialization increases, the middle class tends to deteriorate. With the increase of wealth among all classes, the birth rate falls, particularly among the representatives of the middle class in the cities, and the ranks of the proletariat are increased. The fact that the dangers of overtopping industrialism are


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