The oldest members of the baby boom generation are now crossing the threshold of eligibility for Social Security and Medicare, with significant implications for these programs' fiscal sustainability. Yet this is just one part of the rapidly changing landscape of aging in the United States and around the world. Discoveries in the Economics of Aging assembles analyses of the most recent research in this expanding field of study. A focus of the volume is the relationship between health and financial well-being, especially as people age. The contributors explore this issue within the context of the changing demographic landscape. Other contributions discuss alternate determinants of health, including retirement, marital status, and cohabitation with family, and the potential for public policy to improve health and financial well-being.