The relative impact of genetics on height does not increase with improvements to the standard of living, finds a study on the impact of genetic and environmental factors on adult height over more than a century, with 40 twin cohorts, including more than 143,000 twin pairs from 20 countries.

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The relative impact of genetics on height does not increase with improvements to the standard of living, finds a study on the impact of genetic and environmental factors on adult height over more than a century, with 40 twin cohorts, including more than 143,000 twin pairs from 20 countries.