“…If certain of our foods are low in total iron and only a portion of the total iron is available, ma ny diets must supply an insufficient amount of iron. Several recent pa pers [Sturgis, Isaacs, Goldhamer, Bethell & Farrar (9), Kracke & Ga rver (1 0 ), Minot (1 1) ] have dealt with the classification of anemias and have given sp ecial attention to those due to iron deficiency. Davidson, Fullerton & Ca mpbell (1 2) have concluded recently from their studies in Aberdeen that anemia wa s found present in 41 per cent of the infants under two years, 32 per cent of pre-school children, 2 per cent of school children, 16 per cent of adolescent women, and 45 per cent of adult women.…”