[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
[Skip to Content Landing]
December 1, 1923


JAMA. 1923;81(22):1880-1881. doi:10.1001/jama.1923.02650220050012

The various physiologic problems concerned with life in the tropics have assumed an increasing importance in recent years. The penetration of civilized man into "the remotest corners of the earth" has brought persons, adapted through generation after generation to the climatic peculiarities of the temperate zones, into new conditions of environment. The white races are being transported, through the exigencies of commerce and colonial expansion, into domains inhabited almost exclusively by the black-skinned races. The question of the ability of the newcomer to withstand the new environment is one of no small moment in the readjustments of population and the evolution in industrial expansion that are going on. The indigenous races are likewise concerned, in that for them, too, new social and economic conditions are certain to alter the traditional habits and modes of living.

The need of information about the situations thus being created has been appreciated more deeply