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Résumé: L’espérance de vie est en constante augmentation dans les pays développés et aurait tendance à se rapprocher de la longévité maximale de l’espèce humaine. Cet article tentera d’analyser quelques théories explicatives de ce phénomène de vieillissement au niveau cellulaire et moléculaire principalement à travers les hypothèses génétiques, oxydatives et de glycation. Les effets macroscopiques...