Trace Minerals in Human Growth and Development

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Abstract
Trace mineral deficiencies may affect several biological functions in humans, including physical growth, psychomotor development and immunity. We have reviewed the mechanisms whereby several trace mineral deficiencies may affect these biological functions at different ages (fetal life, infancy, childhood and adolescence), as well as the evidence supporting this association. We describe the effects of zinc deficiency on the hormonal regulation of growth and sexual development in both humans and animal models. We provide data regarding the effects of iron deficiency on growth and psychomotor development. We mention the effects of copper, manganese, selenium and iodine deficiencies on growth and development. We conclude that iron deficiency may affect psychomotor development, but does not appear to affect growth. Zinc deficiency may cause growth retardation and psychomotor delay.