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If the present popular crusade against tuberculosis should fail in its purpose and "the great white plague" still continue to be more or less an important factor in the mortality, which we can not reduce beyond a certain definite point, it will have nevertheless worked out an immense amount of good in the mere fact that it has educated the people to the value of fresh air. In our northern climate, the changeable seasons and the necessity of guarding against extremes of temperature make us too apt to neglect ventilation both in public and private buildings. In the colder season Nature helps us to some extent against our will, as natural ventilation is then more active through entrances that can not be altogether obliterated by artificial means. Our buildings that are heated by grates, furnaces or stoves, when properly constructed and with air inlets suitably arranged, partly meet the conditions
THE VALUE OF FRESH AIR.. JAMA. 1904;XLII(6):379. doi:10.1001/jama.1904.02490510033007