Background

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CATSLife was launched in 2015 with support from the National Institutes on Aging.  Its parent studies, the internationally renowned ÃÛÌÇÖ±²¥ Adoption Project and the Longitudinal Twin Study, form the core of the CATSLife participants recruited to the study.  Comparison of findings to other participant samples will be made, primarily the .

  • Direct estimates of environmental influence provided by the adoptive plus twin sibling design coupled with direct measurement of the environment will allow us to evaluate tests of Gene-Environment correlation and interaction.