Population
254 monozygotic and 260 dizygotic male twin pairs, average age 48 years at baseline.
Design
Cohort
Follow-up
15 years
Authors
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Stable BP heritability supports genetic risk models in middle age; leaves open whether targeting new variants alters later trajectories.
Heritability of blood pressure remains around 0.5 over time, with new genetic influences appearing up to 9 years after middle age but stabilizing by 15 years.
Colletto et al. (1993) studied this question.
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