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Related Experiment Videos

Iron nutriture in elderly individuals

M A Johnson1, J G Fischer, B A Bowman

  • 1Department of Foods and Nutrition, University of Georgia, Athens 30602-3622.

FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology
|June 1, 1994
PubMed
Summary
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Iron status in the elderly is complex. While dietary intake may be adequate, factors like poor iron absorption and chronic disease can affect iron levels, impacting health outcomes in older adults.

Area of Science:

  • Gerontology
  • Nutritional Science
  • Biochemistry

Background:

  • Iron status is crucial for health, especially in the elderly.
  • Aging may influence iron absorption, excretion, and body stores.
  • Distinguishing iron deficiency from anemia of chronic disease is challenging in older adults.

Purpose of the Study:

  • To review current research on iron status in the elderly.
  • To identify factors influencing iron body burden in this population.
  • To explore the role of iron in age-related diseases.

Main Methods:

  • Literature review of studies on elderly iron status.
  • Analysis of dietary factors affecting iron bioavailability.
  • Discussion of genetic factors like hereditary hemochromatosis.

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  • Examination of iron's role in aging-related conditions.

    • Main Results:

    • Elderly individuals often meet Recommended Dietary Allowances for iron.
    • Low ascorbic acid, high calcium, and reduced meat/fish/poultry intake can decrease iron bioavailability.
    • Body iron stores tend to increase with age.
    • Iron deficiency and chronic disease can both impair iron status.

    Conclusions:

    • Iron status in the elderly is influenced by diet and disease.
    • Further research is needed to differentiate iron deficiency anemia from anemia of chronic disease.
    • Iron overload, as seen in hereditary hemochromatosis, poses health risks.
    • Iron's role in aging-related diseases warrants continued investigation.