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This is a thoughtful and well written introduction to an important and difficult subject. The factors which limit human work productivity and endurance are numerous and complex. Besides such obvious things as physical defects and frank disease states, there are large intraindividual and interindividual differences which reflect innate peculiarities, the immediate environment in all its complexity and the physiologic and psychologic states. The scope of the subject makes it necessary to survey a great variety of facts which are presumably basic to the synthesis which is called human behavior. The result is in part a sort of combination textbook of physiology and psychology with inferences as to application to fatigue. The expert may be impatient with the repetition of familiar facts and may disagree on emphasis. The tyro may often find himself beyond his depth and may wish for more didactic statements of "do's and don'ts." But the book should
Fatigue and Impairment in Man. JAMA. 1948;136(9):656. doi:10.1001/jama.1948.02890260064030