This paper examines the link between retirement and health by examining whether mortality changes discontinuously at the Social Security eligibility threshold at age 62. It uses data from the National Center for Health Statistics’ Multiple Cause of Death, the Health and Retirement Study, and the Social Security Master Beneficiary Records and Numident Files. Critical components of the analysis include the regression discontinuity framework and the use of detailed objective health outcomes. Key limitations of our estimates are of the effects on mortality net of any anticipatory changes in health investments, the difficulty in knowing whether the results extend to retirement at ages other than 62, and a lack of available data on other objective health outcomes.