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Dietary Diversity and Healthy Aging: A Prospective Study
Jian Zhang1,2, Ai Zhao1
1Vanke School of Public Health, Tsinghua University, Beijing 100091, China.
Nutrients
|June 2, 2021
Summary
A diverse diet and higher staple food consumption are linked to healthier aging in older adults. Conversely, increased intake of meat, poultry, aquatic products, and fruits was associated with poorer health outcomes in aging.
Area of Science:
- Gerontology
- Nutritional Science
- Public Health
Background:
- Population aging presents a significant global challenge.
- Understanding factors influencing healthy aging is crucial for public health initiatives.
- Dietary patterns are increasingly recognized as modifiable determinants of aging outcomes.
Purpose of the Study:
- To investigate the association between dietary diversity score (DDS) and food consumption patterns with healthy aging.
- To analyze the relationship between dietary factors and a composite healthy aging score (HAS) in an elderly population.
- To explore how specific food group consumption relates to physical function, comorbidity, cognitive function, and psychological stress in aging.
Main Methods:
- Utilized data from the China Health and Nutrition Survey (CHNS).
- Calculated dietary diversity scores (DDS) from 2009-2011 dietary data.
- Constructed a healthy aging score (HAS) in 2015 based on physical function, comorbidity, cognition, and psychological stress.
Main Results:
- A higher DDS was inversely associated with the healthy aging score (HAS), indicating a healthier aging process.
- Consumption of meat, poultry, aquatic products, and fruits showed an inverse association with HAS.
- Higher consumption of staple foods was associated with a higher HAS, suggesting a healthier aging trajectory.
Conclusions:
- Dietary diversity and specific food consumption patterns significantly influence the aging process.
- Adherence to a diverse diet, particularly with adequate staple food intake, is linked to healthier aging in the elderly.
- Findings suggest that dietary interventions could be a strategy to promote healthy aging.
Keywords:
cognitioncomorbiditydietary diversityhealthy agingphysical functional limitationpsychological stressMore Related Videos
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