The Biomarker Data (Early, Version 1.0) release consists of information derived from the Health and Retirement Study (HRS), a national longitudinal study of the economic, health, marital, family status, and public and private support systems of older Americans.The National Institute on Aging provided funding (NIH U01 AGO9740), with supplemental support from the Social Security Administration.The Institute for Social Research (ISR) Survey Research Center (SRC) at the University of Michigan conducted the survey. Specifically, these data were part of the physical measures and biomarkers portion of the 2006 Core data collection.

The Health and Retirement Study strives to provide high quality data without compromising respondent confidentiality. Since respondent health data records contain particularly sensitive information, such data products are released to researchers who qualify for access only through a supplemental registration system. Users who were approved for previous versions of this sensitive health data product can download newer versions using the same password. First-time users should proceed with the application instructions on the Sensitive Health Data page.