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Significance of iron in diet

Write down the significance of iron in diet? Which disease caused by iron deficiency?

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Iron acts as a component of hemoglobin molecule and of enzymes of digestion and energetic metabolism. Dietary iron deficiency causes iron deficiency anemia, uncharacteristic lowering of hemoglobin concentration in blood because of scarcity of iron. (In pregnancy there is a high consumption of iron by fetus and this fact can lead to anemia.)

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