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Nutritional factors for longevity in Okinawa--present and future
G Mimura1, K Murakami, M Gushiken
1Second Department of Internal Medicine, School of Medicine, University of the Ryukyus, Okinawa, Japan.
Nutrition and Health
|January 1, 1992
Summary
Okinawan centenarians consume a well-balanced diet rich in vegetables and lean proteins, contributing to their remarkable longevity. This diet, combined with genetics, appears key to their long, healthy lives.
Area of Science:
- Gerontology
- Nutritional Science
- Human Longevity Studies
Background:
- Longevity is influenced by environmental and hereditary factors, with nutrition playing a key regulatory role.
- Okinawa prefecture is globally recognized for its high prevalence of centenarians.
Purpose of the Study:
- To investigate the dietary habits and background of Okinawan centenarians.
- To explore the relationship between nutrition and longevity in this unique population.
Main Methods:
- Analysis of present and past nutrition records of 88 Okinawan centenarians (18 male, 70 female) residing in 1991.
- Examination of their occupational history and dietary composition.
Main Results:
- Centenarians predominantly worked in agriculture until their 80s.
- Their diet consisted of carbohydrates (rice/potato), abundant vegetables, and vegetable or fish protein.
- The diet was well-balanced, not rich, and associated with reduced atherosclerosis incidence.
Conclusions:
- A well-balanced, moderate diet, combined with a favorable genetic background, is strongly suggested to contribute to exceptional longevity in Okinawans.
- This dietary pattern may be a significant factor in the decreased incidence of atherosclerosis observed in this population.