FLUORINE
Sir-A few weeks ago, a Listener correspondent asked certain questions about fluorine studies in New Zealand. As no one has so far replied to this question, it apparently devolves on me to reply. As far as I am _ aware, studies on fluorine content of natural waters, etc., have been attempted in the past but not reported partly on account of difficulty with the chemical methods. If it is of any interest, I myself was anxious to see this done nearly two decades ago, but the methods were the deterrent. The Nutrition Committee have had it down on their programme for several years, but the wartime difficulties of getting the requisite apparatus, chemicals, laboratory space and highly skilled worker, have been baffling. Recently, however, a. start was made on these lines; it is too early to make any generalisation as yet about the findings. Studies are similarly being made by certain other Government departmentsinto the fluorine content of water, soils and rocks. In view of the magazine article which prompted the question raised by your correspondent, it is advisable that a statement should be made about the dangers as well as the benefits of fluorine in the diet. These will appear in a series on "Trace Elements in Nutrition" in the regular Health column.MURIEL E. BELL (Nutrition Research Department, Medical School, Dunedin).
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New Zealand Listener, Volume 10, Issue 258, 2 June 1944, Page 7
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222FLUORINE New Zealand Listener, Volume 10, Issue 258, 2 June 1944, Page 7
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