A deficiency in __________ is experienced by the majority of children under age 5 in developing countries; this deficiency leads to fatigue, irritability, and sustaining attention.

Question

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Iron deficiency is a common problem among young children in developing countries, leading to symptoms like fatigue, irritability, and difficulty in sustaining attention. Iron is an essential mineral for the production of hemoglobin, which carries oxygen to body tissues. A lack of iron can lead to anemia and other health complications. Calcium, phosphorus, and beta-carotene are also important nutrients, but deficiencies in these nutrients are less common and typically not associated with the symptoms described.

A Deficiency in __________ Is Experienced by the Majority of Children