11. Distance runner Regina Jacobs confirmed that she has beaten an iron deficiency problem. 12. It is used to fortify foods and treat iron deficiency anemia. 13. But youngsters are not routinely screened for less severe iron deficiencies . 14. In humans, it acts as a buffer against iron deficiency and iron overload. 15. Iron deficiency is responsible for 100, 000 maternal deaths in childbirth each year.16. Prenatal iron deficiency has been suggested as a possible mechanism for these problems. 17. First, her blood showed an iron deficiency , and she showed signs of chronic-fatigue syndrome. 18. "Radioactivity was used to measure iron deficiencies in some Asian women, " he added. 19. Iron deficiency puts a child at risk of cognitive delay and lower math scores.20. "That program has not been very successful in that iron deficiency has not diminished,"