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Related Experiment Videos

Changes in dietary intakes with age.

D Vincent1, S Lauque, D Lanzmann

  • 1Service de Médecine Interne et et Gérontologie Clinique, CHU Purpan, Toulouse, France.

The Journal of Nutrition, Health & Aging
|September 20, 2000
PubMed
Summary
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As people age, their meal structures change, with older adults consuming less at dinner. This dietary shift involves fewer lipids and more carbohydrates, particularly in the evening meal.

Area of Science:

  • Gerontology
  • Nutritional Science
  • Human Physiology

Background:

  • Dietary habits significantly influence health outcomes in aging populations.
  • Understanding age-related dietary changes is crucial for public health initiatives.
  • The Toulouse study provides a valuable cohort for examining normal aging processes.

Purpose of the Study:

  • To investigate modifications in dietary intake patterns across different age groups in normally aging individuals.
  • To analyze changes in daily caloric intake and macronutrient distribution with advancing age.
  • To identify specific mealtime adjustments and their nutritional implications.

Main Methods:

  • Analysis of dietary intake data from participants in the Toulouse study.
  • Comparison of caloric intake and energy distribution across three distinct age classes.

Related Experiment Videos

  • Examination of nutrient composition and meal structure changes in relation to age.

    • Main Results:

    • Daily caloric intake remained consistent across all age groups and sexes.
    • Men showed increased energy contribution from breakfast and snacks, with decreased intake at lunch and dinner.
    • Women exhibited a reduced contribution from dinner, characterized by lower lipid and higher carbohydrate content.

    Conclusions:

    • Aging is associated with significant alterations in meal composition and timing, particularly a decrease in dinner's contribution.
    • Changes in dinner nutrient profiles (less fat, more carbs) and structure (reduced main dish, increased desserts) are observed.
    • Further research is needed to explore the underlying causes of these age-related dietary shifts, such as appetite changes or food preferences.