For the last 40 years, biogerontology--the study of the biological basis of aging--has progressed tremendously, and it has now become an independent and respected field of study and research. This volume brings together contributions by biogerontologists, bioethicists, biodemographers, researchers, students, clinicians, and dieticians.

The main areas of discussion and presentation of new research results include (1) biological and non-biological factors affecting lifespan and the quality of life; (2) ethical and social issues related to lifespan and health-span extension; (3)...