Cited by 286Insurance, Mortality, Demography, Risk ManagementGenetics, Aging, and Longevity in Model OrganismsHealthcare Systems and Public Health

Identification of a geographic area characterized by extreme longevity in the Sardinia island: The AKEA study

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Poulain, Michel, Pes, Giovanni Mario, Grasland, Claude, Carru, Ciriaco, Ferrucci, Luigi, Baggio, Giovannella, Franceschi, Claudio, Deiana, Luca·2004·Experimental Gerontology

Abstract

High prevalence and low female/male ratio for validated centenarians are observed in Sardinia and these findings appear to be thus far unique to this island. Moreover a specific region on the island is characterized by exceptional male longevity. We calculated the extreme longevity index (ELI), defined as the percentage of persons born in Sardinia between 1880 and 1900, who became centenarians. A gaussian smoothing method was used in order to identify the so-called 'Blue Zone', where longevity is concentrated in the central-eastern part of the island and covers all the mountainous areas of central Sardinia. The estimated life expectancy in the 'Blue Zone' is longer than in the remaining territory of the island especially for men and the male to female ratio among centenarians born in this area is 1.35 compared to 2.43 in the rest of Sardinia. The specific mechanism by which persons living in this territory were more likely to reach extreme longevity remains unknown but it is interesting to note that most of the 'longevity hot spots' identified in various regions of the world over the years have been located in mountainous geographical areas even if none of these longevity regions have been fully validated. An alternative and interesting hypothesis is that the high rate of inbreeding determined by frequent marriages between consanguineous individuals and low immigration rates have progressively decreased the variability of the genetic pool and facilitated the emergence of genetic characteristics that protect individuals from diseases that are major causes of mortality particularly in older individuals. Given the exceptionally high prevalence of male centenarians in the 'Blue Zone', it is reasonable to assume that either the environmental characteristics or the genetic factors, or both, exert their favorable effect more strongly in men than in women. Thus, the mechanism involved may be modulated by the hormonal milieu, or may be associated with genes located in the sex chromosomes.

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Crossref · 10.1016/j.exger.2004.06.016

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Research works printed but not linked: 2

  1. Da Re ´, M.G., Murru-Corriga, G., Cossu, S., 1984. Le travail des femmes dans la Sardaigine traditionnelle, in Collectif, Les femmes et la question du travail, Lyon. Presses Universitaires De France, Paris, France, pp. 84-106.
  2. Grasland, C., Mathian, H., Vincent, J.M., 2000. Multiscalar Analysis of discrete social phenomena: Statistical problems and political conse- quences. Statistical Journal of the United Nations 17, 157-188.

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Authors
Poulain, M., Pes, G. M., Grasland, C., Carru, C., Ferrucci, L., Baggio, G., Franceschi, C., & Deiana, L.
Affiliations
  • UCLouvain (BE)
  • University of Sassari (IT)
  • UMR Géographie-cités (FR)
  • National Institute on Aging (US)
  • University of Padua (IT)
  • Istituto Nazionale di Riposo e Cura per Anziani (IT)
Corresponding author
Poulain, Michel
Venue
Experimental Gerontology
Publisher
Elsevier BV
Published
2004-09
Volume
39
Issue
9
Pages
1423-1429
ISSN
0531-5565 (ISSN-L)
OpenAlex
W2030134966
Cited by
286
References
10
Citations by year
2026: 16 · 2025: 28 · 2024: 21 · 2023: 12 · 2022: 20 · 2021: 19 · 2020: 15 · 2019: 20 · 2018: 12 · 2017: 20 · 2016: 7 · 2015: 11 · 2014: 15 · 2013: 7 · 2012: 10
FWCI
18.94
Type
journal article
Language
en
Open access
Locations
  • Experimental Gerontology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
  • DIAL (Catholic University of Leuven) (submittedVersion)
  • UnissResearch (Università degli Studi di Sassari) (submittedVersion)
Funders
  • Regione Autonoma della Sardegna
  • Max-Planck-Institut für demografische Forschung
  • National Institutes of Health
  • National Cancer Institute (03-SC-NIH-1027)
Topics
  • Social Sciences › Demography › Insurance, Mortality, Demography, Risk Management
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Epidemiology › Healthcare Systems and Public Health
Keywords
exceptional longevity, centenarians, Blue Zones, Sardinia, male longevity, life expectancy, inbreeding, consanguinity, mountainous terrain, sex differences in aging
MeSH terms
Aged, Aged, 80 and over, Consanguinity, Female, Geography, Humans, Italy, Life Expectancy, Longevity, Male, Sex Factors, Sex Ratio

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