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Related Experiment Videos

Nutrition and aging in developing countries.

K L Tucker1, S Buranapin

  • 1Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA. tucker@hnrc.tufts.edu

The Journal of Nutrition
|September 5, 2001
PubMed
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The global population of older adults is rapidly increasing, particularly in developing nations. Urgent action is needed to address their unique nutritional needs and prevent escalating chronic diseases.

Area of Science:

  • Gerontology
  • Global Health
  • Nutritional Science

Background:

  • The global population aged 60 years or older is set to double, with the most rapid increase occurring in developing countries.
  • Urbanization and socioeconomic changes are linked to shifts in diet and physical activity, increasing chronic disease risk.
  • Lower birth weights are associated with increased adult obesity and chronic disease, posing a significant risk in developing nations.

Purpose of the Study:

  • To highlight the growing burden of chronic diseases in aging populations worldwide.
  • To emphasize the unique nutritional challenges faced by the elderly, including higher micronutrient needs.
  • To call for urgent action to address the nutritional requirements of the aging population to mitigate disease and disability.

Main Methods:

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  • This study is a review and synthesis of existing data and projections regarding global aging.
  • Analysis of trends in dietary patterns, physical activity, and chronic disease prevalence.
  • Examination of the specific nutritional vulnerabilities of the elderly population.

Main Results:

  • The number of older adults will more than triple globally in 50 years, with developing countries experiencing the most dramatic shifts.
  • Dietary changes (higher fat, lower fiber) and decreased physical activity are driving increases in obesity, type 2 diabetes, hypertension, and vascular disease.
  • Elderly individuals have higher micronutrient requirements despite lower energy intake, increasing their risk of deficiencies.

Conclusions:

  • The aging global population presents a significant public health challenge, particularly in developing countries.
  • Addressing the nutritional needs of the elderly is critical to prevent and manage chronic diseases.
  • Intervention programs and institutional support are urgently required to manage the health and nutritional risks of this demographic.