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Prevention of Micronutrient Deficiencies
Tools for Policymakers and Public Health Workers
Committee on Micronutrient Deficiencies
Board on International Health
Food and Nutrition Board
INSTITUTE OF MEDICINE
Christopher P. Howson, Eileen T. Kennedy, and Abraham Horwitz, Editors
NATIONAL ACADEMY PRESS
Washington, D.C.
1998
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NATIONAL ACADEMY PRESS 2101 Constitution Avenue, N.W. Washington, D.C. 20418
NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance. This report has been reviewed by a group other than the authors according to procedures approved by a Report Review Committee consisting of members of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine.
The Institute of Medicine was chartered in 1970 by the National Academy of Sciences to enlist distinguished members of the appropriate professions in the examination of policy matters pertaining to the health of the public. In this, the Institute acts under both the Academy's 1863 congressional charter responsibility to be an adviser to the federal government and its own initiative in identifying issues of medical care, research, and education. Dr. Kenneth I. Shine is president of the Institute of Medicine.
This study was supported by the U.S. Agency for International Development. The views presented in this report are those of the Institute of Medicine Board on International Health and are not necessarily those of the funding organization.
International Standard Book No. 0-309-06029-X
Additional copies of Prevention of Micronutrient Deficiencies: A Toolkit for Policymakers and Public Health Workers are available for sale from the
National Academy Press, Box 285, 2101 Constitution Avenue, N.W., Washington, DC 20055; Call (800) 624-6242 or (202) 334-3313 (in the Washington metropolitan area), or visit the NAP's on-line bookstore at http://www.nap.edu.
Copyright 1998 by the National Academy of Sciences. All rights reserved.
Printed in the United States of America
The serpent has been a symbol of long life, healing, and knowledge among almost all cultures and religions since the beginning of recorded history. The image adopted as a logotype by the Institute of Medicine is based on a relief carving from ancient Greece, now held by the Staatliche Museen in Berlin.
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Committee On Micronutrient Deficiencies
ABRAHAM HORWITZ (Chair),
Pan American Health Organization, Washington, D.C.
JOSEPH A. COOK,
Program for Tropical Disease Research, The Edna McConell Clark Foundation, New York City
JOHN DUNN,
University of Virginia Health Sciences Center
JOHN W. ERDMAN, JR.,
Division of Nutritional Sciences, College of Agriculture, University of Illinois at Urbana-Champaign
OSMAN M. GALAL,
Department of Community Health Services, School of Public Health, University of California at Los Angeles
JAMES GREENE,
Chevy Chase, Maryland
E. C. HENLEY,
Protein Technologies International, St. Louis, Missouri
EILEEN T. KENNEDY,
Center for Nutrition Policy and Promotion, U.S. Department of Agriculture, Washington, D.C.
REYNALDO MARTORELL,
Department of International Health, The Rollins School of Public Health, Emory University
NEVIN S. SCRIMSHAW,*†
The United Nations University, Food and Nutrition Program for Human and Social Development, Boston
KEITH P. WEST, JR.,
Division of Human Nutrition, The Johns Hopkins University School of Hygiene and Public Health
Staff
CHRISTOPHER P. HOWSON, Director,
Board on International Health
STEPHANIE Y. SMITH, Administrative/Research Assistant
SHARON GALLOWAY, Financial Associate
*
Member, Institute of Medicine.
†
Member, National Academy of Sciences.
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Board On International Health
BARRY R. BLOOM (Cochair),*
Howard Hughes Medical Institute, Albert Einstein College of Medicine
HARVEY V. FINEBERG (Cochair),*
Harvard University School of Public Health
JACQUELYN CAMPBELL,
The Johns Hopkins University School of Nursing
JULIO FRENK,*
Fundación Mexicana para la Salud, Mexico, D.F.
DEAN T. JAMISON,*
Center for Pacific Rim Studies, University of California at Los Angeles
EILEEN T. KENNEDY,
Center for Nutrition Policy and Promotion, U.S. Department of Agriculture, Washington, D.C.
ARTHUR KLEINMAN,*
Harvard University Medical School
BERNARD LIESE,
Health Services Department, The World Bank, Washington, D.C.
WILLIAM E. PAUL,*
National Institute of Allergy and Infectious Diseases and Office of AIDS Research, National Institutes of Health, Bethesda, Maryland
ALLAN ROSENFIELD,
Columbia University School of Public Health
PATRICIA ROSENFIELD,
The Carnegie Corporation of New York, New York City
THOMAS J. RYAN,
Boston University School of Medicine, and Senior Consultant in Cardiology, Boston University Medical Center
JUNE E. OSBORN (Institute of Medicine Liaison),*
Josiah Macy, Jr., Foundation, New York City
JOHN H. BRYANT* (Ex-Officio),
Moscow, Vermont
WILLIAM H. FOEGE* (Ex-Officio),
Task Force on Child Survival, The Carter Center, Emory University
DAVID P. RALL (Institute of Medicine Foreign Secretary),*
National Institute of Environmental Health Sciences (retired), Washington, D.C.
Staff
CHRISTOPHER P. HOWSON, Director
STEPHANIE Y. SMITH, Administrative/Research Assistant
SHARON GALLOWAY, Financial Associate
*
Member, Institute of Medicine.
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Food And Nutrition Board
CUTBERTO GARZA (Chair),
Division of Nutrition, Cornell University
JOHN W. ERDMAN, JR. (Vice Chair),
Division of Nutritional Sciences, College of Agriculture, University of Illinois
LINDSAY H. ALLEN,
Department of Nutrition, University of California at Davis
BENJAMIN CABALLERO,
Center for Human Nutrition, The Johns Hopkins University School of Hygiene and Public Health
FERGUS M. CLYDESDALE,
Department of Food Science, University of Massachusetts, Amherst
ROBERT J. COUSINS,
Center for Nutritional Sciences, University of Florida
MICHAEL P. DOYLE,
Department of Food Science and Technology, Center for Food Safety and Quality Enhancement, The University of Georgia, Griffin
JOHANNA T. DWYER,
Frances Stern Nutrition Center, New England Medical Center Hospital, Boston, and Departments of Medicine and Community Health, Tufts University Medical School and School of Nutrition Science and Policy
SCOTT M. GRUNDY,*
Center for Human Nutrition, University of Texas Southwestern Medical Center, Dallas
CHARLES H. HENNEKENS,
Harvard University Medical School and Brigham and Women's Hospital, Boston
JANET C. KING,*
University of California at Berkeley, and U.S. Department of Agriculture Western Human Nutrition Research Center, San Francisco
SANFORD A. MILLER,
Graduate School of Biomedical Sciences, University of Texas Health Science Center, San Antonio
ROSS L. PRENTICE,
Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
A. CATHERINE ROSS,
Department of Nutrition, The Pennsylvania State University
ROBERT E. SMITH,
R. E. Smith Consulting, Inc., Newport, Vermont
VIRGINIA A. STALLINGS,
Division of Gastroenterology and Nutrition, The Children's Hospital of Philadelphia
VERNON R. YOUNG,†
Laboratory of Human Nutrition, School of Science, Massachusetts Institute of Technology
STEVE L. TAYLOR (Ex-Officio),
Department of Food Science and Technology and Food Processing Center, University of Nebraska at Lincoln
*
Member, Institute of Medicine.
†
Member, National Academy of Sciences.
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HARVEY R. COLTEN* (Institute of Medicine Council Liaison),
Northwestern University Medical School
Staff
ALLISON A. YATES, Director
GAIL A. SPEARS, Administrative Assistant
CARLOS GABRIEL, Financial Associate
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Acknowledgments
The committee is grateful to the many individuals who made substantive and productive contributions to this project. Particular thanks are in order to the authors of the background papers, whose effective efforts provided important information bearing on the topic of this report: John Stanbury; Barbara Underwood, National Institutes of Health; and Fernando Viteri, University of California-Berkeley. The committee gives special thanks to the following workshop participants: Lindsay Allen, University of California at Davis; Frances Davidson, USAID; Johanna Dwyer, New England Medical Center; Miguel Gueri, Pan American Health Organization; Suzanne Harris, International Life Sciences Institute; James Olson, Iowa State University; Margaret Burns Parlato, Academy for Educational Development; Soekirman, World Bank; and Rebecca Stoltzfus, Johns Hopkins School of Hygiene and Public Health. The committee would also like to thank Christopher Howson, project director; Stephanie Smith, project assistant; Sharon Galloway, financial associate; Michael Edington, managing editor; Claudia Carl, staff associate for report review; and Caroline McEuen, contract editor.
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DEDICATED TO
Abraham Horwitz, M.D.
For his extraordinary commitment to this report and to the ideal of health for all.
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Contents
1
SUMMARY
1
Project Charge
1
Organization of the Report
3
Findings and Recommendations
3
2
KEY ELEMENTS IN THE DESIGN AND IMPLEMENTATION OF MICRONUTRIENT INTERVENTIONS
11
The Importance of Iron, Vitamin A, and Iodine to Health
12
The Continuum of Population Risk
14
Options for Successful Interventions
17
Costs of Interventions
22
Feasibility of Involving Key Societal Sectors in the Planning and Implementation of Micronutrient Interventions: A Guide to Decisionmaking
26
Elements of Successful Interventions Across the Continuum of Population Risk
27
Common Elements of Successful Micronutrient Interventions
33
BACKGROUND PAPERS
3
PREVENTION OF IRON DEFICIENCY
Fernando E. Viteri
45
Diagnosis of Iron Deficiency and Anemia
46
Causes of Iron Deficiency
48
Iron Excess
53
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Prevention of Iron Deficiency in At-Risk Groups
54
Sustainable Approaches to the Elimination of Iron Deficiency
67
Benefits and Costs of Preventing Iron Deficiency
79
Suggested National Goals
81
Appendix
83
4
PREVENTION OF VITAMIN A DEFICIENCY
Barbara A. Underwood
103
Major Health Consequences
103
Magnitude and Epidemiology of the Problem
105
Economic Costs of VAD
111
Indicators of VAD
111
Critical Elements for Successful Nutrition Intervention Programs
115
Approaches to the Prevention or Correction of VAD
115
Other Countries' Experiences
120
Complementarity of Interventions
143
Costs and Benefits
145
Balancing Approaches to Country-Specific Circumstances
148
Summary
152
5
PREVENTION OF IODINE DEFICIENCY
John B. Stanbury
167
Requirements for Iodine
167
Consequences of Iodine Deficiency and Its Correction
168
Consequences of the Correction of Iodine Deficiency
170
Interaction with Other Micronutrients
171
Extent of Iodine Deficiency
171
Indicators of Iodine Deficiency and Impact of Prevention
175
Prevention and Correction
176
National Programs: Some Examples of Success and Failure
180
Structure of Preventive Programs
186
Impediments to IDD Control
188
Action Plans for the International Agencies
192
Summary
195
Appendix: ICCIDD Guidelines for Assessment of Progress Toward IDD Elimination
196
APPENDIX: WORKSHOP AGENDA
203
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Prevention of Micronutrient Deficiencies Tools for Policymakers and Public Health Workers
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