How long you will live is mainly decided by your genes: Study

The findings are based on an analysis of more than a century of lifespan data from large Scandinavian twin cohorts in Denmark and Sweden. Researchers studied identical and non-identical twins raised together and apart, as well as siblings of US centenarians. Most participants were born between 1870 and 1935, a period marked by high mortality from infectious diseases and accidents.

Feb 3, 2026 - 05:50
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How long you will live is mainly decided by your genes: Study
The findings are based on an analysis of more than a century of lifespan data from large Scandinavian twin cohorts in Denmark and Sweden. Researchers studied identical and non-identical twins raised together and apart, as well as siblings of US centenarians. Most participants were born between 1870 and 1935, a period marked by high mortality from infectious diseases and accidents.

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