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To the Editor:—
The articles by the Council on Foods and Nutrition on sodium-restricted diets in The Journal, Nov. 13, 20, 27, 1954, pages 1081, 1171, and 1252, failed to mention and stress the fact that tap water can be the source of considerable amounts of sodium in the diet. I believe this is a serious omission, inasmuch as some city tap waters have been shown to contain large amounts of sodium. Cole (J.A.M.A. 140:19 [May 7] 1949) states, "The sodium content of the water must not be ignored when it is more than 10 mg. per hundred cubic centimeters, as in Aberdeen, S. D.; Biloxi, Miss.; Crandall, Galveston, and Houston, Texas; Galesburg, Ill.; Kansas City and Nevada, Mo.; Los Angeles; Marion, Ohio; Minot, N. D.; Oklahoma City; and Phoenix, Ariz." It should be noted that analysis by our laboratories of these and other city sources shows
Eibert J. SODIUM IN TAP WATER. JAMA. 1955;157(12):1042–1043. doi:10.1001/jama.1955.02950290062019
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