The Economist explains

How to live for ever

Scientists are searching for the biological secrets to eternal life

By R.McS

JEANNE CALMENT (pictured), who lived for 122 years and 164 days (longer than any other person), said the secret to her longevity was a diet rich in olive oil, port wine and chocolate. She smoked until the age of 117. Alexander Imich, who was the oldest living man (111) until he died in June, did not have a secret. Asked how he lived so long, he replied, "I don’t know, I simply didn’t die earlier." Scientists are looking for more plausible and definitive reasons why some people live much longer than others. Many think the genes of centenarians like Calment and Imich hold the key. And some believe that their research might one day provide a positive answer to the question that has fascinated man since at least the time of Herodotus: is it possible for humans to live for ever?

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