RT Journal A1 Foltz J T1 COmfort and cold JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1919 FD June 21 VO 72 IS 25 SP 1859 OP 1860 DO 10.1001/jama.1919.02610250059024 UL http://dx.doi.org/10.1001/jama.1919.02610250059024 AB To the Editor:  —It is a never-ceasing source of wonder that certain fundamental principles are so slowly grasped by the human mind. The article of Major Head (The Journal, May 3, 1919, p. 1268) is an admirable example of the misunderstanding of fresh air treatment of pneumonia, and Major Head is particularly to be commended for his frank statement of the case. The results as shown should have been expected, and it is hoped that the conclusions that he draws will be indelibly limned on the minds of the medical profession with the cause accentuated so that such errors may never again be repeated.Those who have been accustomed to the use of the fresh air treatment of tuberculosis and pneumonia will agree that the fundamental truth to be insisted on is that the patient shall never be uncomfortable; that discomfort is incompatible with rest; that shivering is nature's method