CHILLING OF THE BODY SURFACES

Abstract
It is doubtful whether any subject in medicine in the last decade has stirred more interest and caused more study than the etiology of infections of the upper part of the respiratory tract. Through recent improved understanding of the autonomic nervous system, the biochemical processes and the bacterial flora constantly present in the nasal cavity and its adnexa, much of the fog of empiricism has been dispelled. A cardinal factor not to be ignored, however, is that the human organism must maintain a constant average temperature of 98.6 F. (37 C.), for any considerable degree of deviation from this average for appreciable periods of time will result in morbid changes. Cold water has a veritable appetite for heat. Since the ratio of conductivity of water to air is 27 to 1, it follows that water takes heat from the body twenty-seven times faster than does air. The lack of a

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