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Related Experiment Videos

Zinc: the missing link in combating micronutrient malnutrition in developing countries.

Rosalind S Gibson1

  • 1Department of Human Nutrition, University of Otago, Dunedin, New Zealand. Rosalind.Gibson@stonebow.otago.ac.nz

The Proceedings of the Nutrition Society
|January 31, 2006
PubMed
Summary

Zinc deficiency remains a significant global health issue, despite its recognition. Addressing this requires increased awareness and targeted interventions to improve nutrition and reduce mortality.

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Area of Science:

  • Human Nutrition
  • Public Health
  • Micronutrient Research

Background:

  • Human zinc (Zn) deficiency cases were first identified in the 1960s.
  • Zn deficiency was recognized as a major global health risk in 2002 and included in diarrhea treatment in 2004.
  • Despite recognition, Zn is not a UN micronutrient priority, hindering global health goals.

Discussion:

  • Lack of awareness, insufficient food composition data for Zn and phytate, and diagnostic challenges contribute to Zn's omission.
  • Dietary inadequacies, disease, and increased physiological requirements are key factors in Zn deficiency etiology.
  • The International Zinc Nutrition Consultative Group (IZINCG) developed indicators to identify at-risk countries.

Key Insights:

  • Indirect indicators (food supply adequacy, stunting) identify at-risk nations.

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  • Direct measurements (dietary intake, serum Zn) are needed for confirmation.
  • Interventions include supplementation, fortification, dietary changes, and biofortification.

    • Outlook:

    • Integrating Zn interventions into existing micronutrient programs is crucial.
    • Addressing Zn deficiency is vital for reducing child/maternal mortality and achieving global nutrition goals.
    • Further research and awareness are needed to prioritize zinc in global health initiatives.