Background
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.