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Geriatric nutrition.

D A Roe1

  • 1Division of Nutritional Sciences, Cornell University, Ithaca, New York.

Clinics in Geriatric Medicine
|May 1, 1990
PubMed
Summary
This summary is machine-generated.

Aging impacts nutritional status, but diet and exercise can prevent premature aging and chronic diseases. Proper nutrition for seniors is key to achieving a longer, healthier life, despite some challenges in assessment.

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Public Health

Background:

  • Aging alters body composition and nutritional status, with significant interindividual variability.
  • Genetic factors and environmental exposures significantly influence the rate of aging and tissue damage.
  • Maximal lifespan is genetically determined, but life expectancy varies due to genetic disease risk and environmental factors causing early aging.

Purpose of the Study:

  • To explore how aging affects nutritional status and body composition.
  • To identify preventable diseases and disabilities through nutritional interventions in the elderly.
  • To discuss nutritional requirements and assessment challenges in older adults.

Main Methods:

  • Review of existing literature on aging, nutrition, and chronic disease.

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  • Analysis of factors influencing aging rates and life expectancy.
  • Discussion of nutritional assessment techniques for the elderly.

    • Main Results:

    • Diet and exercise can prevent or mitigate early aging and geriatric diseases, including nutritional deficiencies and chronic conditions like diabetes, hypertension, coronary artery disease, and cancer.
    • Nutritional requirements for the elderly are largely similar to younger individuals, with fewer calories generally needed, but specific needs like Vitamin D may increase.
    • Nutritional assessment can identify deficiencies, excesses, and diet-related diseases, with available techniques enabling valid assessment even in the oldest individuals.

    Conclusions:

    • Dietary interventions are crucial for promoting longevity and reducing disability from chronic diseases in aging populations.
    • Socioeconomic status, education, and lifestyle choices influence dietary habits and long-term nutritional needs.
    • Poverty, disability, and social isolation are significant risk factors for malnutrition in the elderly.