The possession of a healthy mind in a healthy body is the first and indispensable condition for survival in the struggle for existence. In view of the farreaching and disastrous results of mental enfeeblement in the individual, the home and the community, it becomes the duty of the physician to investigate all possible sources of intellectual deficiency and to eliminate all etiologic factors amenable to control. The idiot by heredity, the victim of congenital variation of germ plasm or of embryonic insufficiency of internal secretions, whose brain anomaly dates back to early intra-uterine life, is beyond our help except to the extent that we may benefit him by glandular therapy and educational methods.
Conditions are altogether different in the case of a healthy, well developed child that has traveled safely through the months of fetal evolution and reached the journey's end only to be wrecked during the process of his
STEIN A. THE INFLUENCE OF LABOR ON THE BRAIN DEVELOPMENT OF THE CHILD. JAMA. 1917;LXIX(5):334-341. doi:10.1001/jama.1917.02590320010003