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The BBC is reporting today on a study that shows Ageing rates vary widely. According to the report by the Proceedings of the National Academy of Sciences, even people born within a year of each other experienced a huge gulf in the speed at which their bodies age.
I was particularly struck by the finding that some 38-year olds were ageing so badly that their biological age was “on the cusp of retirement.” The study subjects were 954 people from New Zealand born between 1972 and 1973. 18 ageing-related traits were examined as the members of the group turned 26, 32 and 38. So in the case of the 38-year-old cohort, the “biological age” ranged from the late 20s to “nearly 60” — hence the “cusp of retirement” verbiage.
In some cases, the subjects appeared to virtually stop ageing while they found that others gained almost three years of biological age for every 12 months that passed. Those with older biological ages were found to perform worse in tests of brain function, and also tended to have a weaker grip.
Issues of fairness and egalitarianism
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