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May 3, 1919


JAMA. 1919;72(18):1296. doi:10.1001/jama.1919.02610180034012

The period of physical development of each individual is an era of the highest significance for his entire life. It represents a time when all manner of formative influences are brought to bear on a receptive organism: the years when the bodily background for future potentialities is being created. The forces that direct this development and make its progress possible are at least twofold: hereditary and environmental. The environmental forces include nutrition, work and play, and are in some measure controllable. If they cannot always alter the limitations set by inherited factors, they can nevertheless frequently prevent deteriorating influences from making any inroad on the growing individual or interfering with the best attainment of his developmental possibilities.

If we are to assist in any degree in facilitating a proper environment for the young, it obviously becomes essential to have some standards by which to judge the success of the undertaking.

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