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Micronutrient supplementation and immune function in the elderly.

K P High1

  • 1Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157-1042, USA. khigh@wfubmc.edu

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|May 29, 2000
PubMed
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Aging impairs immune function, increasing infection risk in older adults. Nutritional strategies, including micronutrient supplementation, may help maintain immune competence, but optimal dosages are crucial to avoid harm.

Area of Science:

  • Gerontology
  • Immunology
  • Nutritional Science

Background:

  • Immune function, especially cell-mediated immunity, declines with age.
  • This decline contributes to higher infectious disease rates in the elderly.
  • Nutrition is a key factor in maintaining immune competence in older adults.

Purpose of the Study:

  • To review the prevalence of vitamin and mineral deficiencies in older adults.
  • To highlight outcomes of micronutrient supplementation trials for immune function in the elderly.
  • To discuss the role of dietary lipids in modulating immune responses.

Main Methods:

  • Literature review of studies on aging, immunity, and nutrition.
  • Analysis of data from micronutrient deficiency and supplementation trials in the elderly.

Related Experiment Videos

  • Examination of research on dietary lipids and immune modulation.

    • Main Results:

    • Older adults exhibit a prevalence of vitamin and mineral deficiencies.
    • Micronutrient supplementation (e.g., zinc, vitamin E) may benefit immune function.
    • Evidence suggests a therapeutic range for micronutrients; oversupplementation can be detrimental.

    Conclusions:

    • Addressing nutritional deficiencies is vital for supporting immune function in aging populations.
    • Careful consideration of dosage is necessary for micronutrient supplementation to be effective and safe.
    • Dietary lipid modifications present a potential strategy for immune modulation in the elderly.