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Dietary folic acid and iron deficiency among the affluent.

To the Editor.— Iron and folic acid deficiency are frequently observed in populations of limited means who eat a starchy diet which contains little meat or leafy vegetables. In affluent societies iron and folic acid deficiency are usually considered to be evidence of bleeding or malabsorption. Recognized exceptions to this generalization are infants weaned late, starch and clay eaters, and elderly persons living alone who eat starchy tidbits rather than cook. 1 An additional group of people should be scrutinized for iron and folic acid deficiency because of the frequency of dietary idiosyncrasy. The subjects of this report were the families of three physicians, each family with seven or more children. Several members of each family had anemia and they were referred for hematologic consultation because of the possibility that this might be an hereditary disorder. In addition to hematologic studies shown in the Table, blood samples of anemic patients