Total and Cause-Specific Mortality by Moderately and Markedly Increased Ferritin Concentrations: General Population Study and Metaanalysis

For decades iron has been thought of as beneficial for the body. Most everyone knows that iron deficiency is harmful and that the condition should be treated by additional iron in the diet. However, too much iron can also be harmful to the body. Ferritin is a protein that stores iron and measurement of ferritin in serum is a measure of the iron deposits in the body.