That "necessity is the mother of invention" is illustrated by a multitude of surprising instances from the chapters of history. The present European war and the situations which it is creating have brought fresh evidence of the compulsory adaptation of new devices and the enforced acceptance of previously undesired methods. One might well expect this in the domain of the mechanic arts and the manufactures; but in the field of practical dietetics, in which the laws of nutrition, the food habits of generations and the inherited tastes of individuals play so dominant a part, revolutionary changes seem less likely to make any headway.
Prof. Adolf Schmidt1 of the Medical Clinic at Halle has pointed out some unexpected situations created by the growing necessities of the war on the continent, calling for a change in the dietary of the German people. Every race diet has developed on the basis of
THE WAR AND PRACTICAL DIETETICS. JAMA. 1915;LXV(1):31–33. doi:10.1001/jama.1915.02580010039016
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