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Jonathan's genome reveals clues to 194-year lifespan

Genetic longevity clues: Researchers found 287 unique genetic variants in Jonathan linked to DNA repair, metabolism, and cancer suppression. Youthful gene switches: Jonathan's energy and repair gene regulators resemble those of a 5-year-old tortoise, defying typical age-related disorder. Study limits: The research is based on cheek swabs from one tortoise and comparisons with only a few others, making broader conclusions uncertain. continue reading...