How heritable is human life span? If genetic heritability is high, longevity genes can reveal aging mechanisms and inform medicine and public health. However, current estimates of heritability are low—twin studies show heritability of only 20 to 25%, and recent large pedigree studies suggest it is as low as 6%. Here we show that these estimates are confounded by extrinsic mortality—deaths caused by extrinsic factors such as accidents or infections. We use mathematical modeling and analyses of twin cohorts raised together and apart to correct for this factor, revealing that heritability of human life span due to intrinsic mortality is above 50%. Such high heritability is similar to that of most other complex human traits and to life-span heritability in other species.
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i read the selected excerpt only;
these asinine studies are conditioning people to think that "intrinsic structural helical-strand material-based" features and possibilities of the body-mind complex are for the most part unchanging - i.e. u get what u got, including the lifespan;
very few wish to be part of the 120+ yo club and remain in great health & strength - the criteria are strict and extreme for the average normie, who according to some statistics die within 10 years after state-determined retirement age;
i think that by avoiding & blocking the life-shortening intoxications (within breathing air, nutrition, electromagnetic spectrum, etc.) & infestations (most importantly the parasites that control the lifespan & population size of human beings), the lifespan in years becomes almost irrelevant, and even decades can become only minor achievement checkpoints;