21. The severity of iron overload can be determined and monitored using a combination of tests. 22. The CDC and the National Institutes for Health met about iron overload last week in Atlanta. 23. The same is true for haemochromatosis ( iron overload ), although it is frequently omitted. 24. Ferritin is also used as a marker for iron overload disorders, such as hemochromatosis or hemosiderosis. 25. If the systemic iron overload is corrected, over time the hemosiderin is slowly resorbed by macrophages. 26. There is growing evidence that even people without an inherited disorder can develop problems associated with iron overload . 27. People with a disorder called hemochromatosis, or iron overload disease, can actually benefit from regular bloodletting. 28. Mutations of the HFE gene account for 90 % of the cases of non-transfusional iron overload . 29. Reversal of some of the consequences of iron overload in MDS by iron chelation therapy have been shown. 30. Certain mutations in the " HFE " gene cause hemochromatosis ( an iron overload disorder ).