§ Mr. Viantasked the Minister of Health to what extent the communities selected to test the addition of fluoride to the water supply have arranged to obtain information on the incidence of dental caries in those communities, and to survey the fluoride excretion in the urine of representative children and adults in those communities.
§ Mr. Iain MacleodThe question of what information must be obtained is under consideration but no decision has yet been taken.
§ Mr. Viantasked the Minister of Health what arrangements are being made for a survey of fluoride excretion in the urine of representative children and adults of all age-groups throughout the country; and how this survey is being made.
§ Mr. Iain MacleodIt is not necessary to obtain this information for the whole country. The arrangements which might be made in areas where tests will be carried out, and in corresponding control areas, are under consideration.