No single gene is a guaranteed fountain of youth. Instead, the secret of longevity probably lies in having the right “suite” of genes, according to new studies of centenarians and their families. Such combinations are extremely rare — only one person in 10,000 reaches the age of 100.

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The so-called Methuselah genes — named after the biblical patriarch who lived to 969 — are thought to include ADIPOQ, which is found in about 10% of young people but in nearly 30% of people living past 100. The CETP gene and the ApoC3 gene are found in 10% of young people, but in about 20% of centenarians.

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“If we know which genes control longevity then we can find out what proteins they make and then target them with drugs. That makes it possible to slow down ageing. We need to reclassify it as a disease rather than as a benign, natural process,” he said.

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