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To the Editor:—
In the editorial (The Journal, November 13, p. 702) titled "Hypertension in Military Service," excessive variability of the normal blood pressure was defined as a heralding sign of subsequent hypertension. It was emphasized that persons who show a transient rise in pressure when exposed to the emotional stress of a physical examination must be regarded as likely candidates for the disease.Although this assertion may be true for young adults, there is mounting evidence to indicate that "vascular hyperreactions" is a common finding among normal persons over the age of 40. In a recent report on the cold pressor response of 200 normal men between the ages of 40 and 69 years (Am. Heart J.26:398 [Sept.] 1943) I presented data which strongly suggest that the reactibility of the blood pressure normally increases appreciably with age. An increase in the response of the blood pressure with
Russek HI. HYPERTENSION IN THE MILITARY SERVICE. JAMA. 1943;123(16):1067. doi:10.1001/jama.1943.02840510061023
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