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Why are supercentenarians so frequently found in French Overseas Departments? The cases of Guadeloupe and Martinique

Abstract : Many more cases of supercentenarians are observed in the French Départements d’Outre-Mer (DOM) than in metropolitan France. A first possible explanation is that the standard French protocol for validating age does not sufficiently cover DOMs. However, if additional checks can confirm the verity of this phenomenon, forming explanatory hypotheses can be relevant and quite interesting. Thanks to an INED research funding, a special protocol of deep age checking has been established to be applied to the two DOMs where the phenomenon is the most pronounced: Guadeloupe and Martinique. First results not only show that combining several additional checks does not leave much room for further doubting the ages of supercentenarians but they also support some arguments in favor of a possible fundamental explanation: genetic selection due to the extreme severity of mortality inflicted on their slave ancestors.
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https://hal.archives-ouvertes.fr/hal-02938757
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Soumis le : mardi 15 septembre 2020 - 10:21:01
Dernière modification le : samedi 19 septembre 2020 - 04:19:22

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Jacques Vallin. Why are supercentenarians so frequently found in French Overseas Departments? The cases of Guadeloupe and Martinique. Genus, 2020, 76 (26), pp.1-17. ⟨10.1186/s41118-020-00086-3⟩. ⟨hal-02938757⟩

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