Health and Retirement Study"The Health and Retirement Study (HRS) is a source of longitudinal, cross-sectional data for researchers and policymakers who study aging. HRS surveys more than 22,000 Americans over the age of 50 every two years and studies the labor force participation and health transitions that individuals undergo toward the end of their work lives and in the years that follow. The study has collected information about income, work, assets, pension plans, health insurance, disability, physical health and fun