For the source text click/tap here: Megillah 27
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In a number of places in the Talmud we find this question presented to leading Sages by their students.
Although the general principle of the Talmud is that rewards for the performance of mitzvot are received not in this world, but in the world-to-come, nevertheless it appears to have been widely accepted that someone who is particular in his performance of a given mitzvah over and above the basic requirements is rewarded with long life.
We explore the notion of longevity in the Late Antique period and Classical Greece with some comments on the new epigenetic clock known as GrimAge clock, a highly accurate multi-tissue biomarker of aging based on DNA methylation levels, also known as Horvath’s clock.