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May 29, 1909

The Problem of Age, Growth and Death.

JAMA. 1909;LII(22):1779. doi:10.1001/jama.1909.02540480049023

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In this volume the distinguished author summarizes the results of his scientific work on the problem of age, growth and death. It appears that for twenty-five years and more this problem has occupied his scientific interest. Desire to get at actual facts led to a long and comprehensive series of observations on the growth of certain animals in order to secure vantage ground for attack on the changes affected by age, changes that have been studied but little in a systematic way. Says Dr. Minot: "Age causes many progressive changes in the organism, but none which are more obvious and more accessible to exact study than those of growth." Most of the very valuable observations on growth as a function of age were made on guinea-pigs, the growth being measured by weight.

The book itself is divided in six chapters, the subjects being the condition of old age, cytomorphosis, the

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