Aging, nutrition and immune function

Namanjeet Ahluwalia

Research output: Contribution to journalReview article

56 Citations (Scopus)

Abstract

Aging is usually associated with increase in chronic disease as well as infections and associated morbidity. This is often thought to be secondary to immunosenescence. Whether this decline in immune function with aging is due to the aging process per se or is secondary to poor health, inflammation, and other life style factors particularly suboptimal nutritional status is discussed. Aging is often associated with dysregulation of immune response even among healthy elderly; some of these changes may be secondary to deficiencies of macronutrients (energy and protein) and micronutrients (notably, vitamins B6, B12, and folic acid as well as iron and zinc). Older individuals often have multiple nutrient deficiencies because of physiological, social and economic factors. Nutrient supplementation is often accompanied by an improvement in immune function particularly in those who are nutrient-deficient. The long-term benefits of multinutrient supplements to healthy elderly not at risk for nutrient deficiencies, however, are currently not well-established. Priorities for future research and methodological considerations for future studies are discussed.

Original languageEnglish (US)
Pages (from-to)2-6
Number of pages5
JournalJournal of Nutrition, Health and Aging
Volume8
Issue number1
StatePublished - Feb 23 2004

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nutrient deficiencies
nutrition
Food
economic factors
nutrients
pyridoxine
dietary minerals
chronic diseases
folic acid
lifestyle
morbidity
nutritional status
inflammation
zinc
immune response
iron
Vitamin B 6
Micronutrients
energy
Vitamin B 12

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Geriatrics and Gerontology

Cite this

Ahluwalia, Namanjeet. / Aging, nutrition and immune function. In: Journal of Nutrition, Health and Aging. 2004 ; Vol. 8, No. 1. pp. 2-6.
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Aging, nutrition and immune function. / Ahluwalia, Namanjeet.

In: Journal of Nutrition, Health and Aging, Vol. 8, No. 1, 23.02.2004, p. 2-6.

Research output: Contribution to journalReview article

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