Pts.I. Defining and measuring aging -- 1. Perspectives on aging -- 2. Measuring age-related changes in populations -- 3. Measuring age-related changes in individuals -- Pts.II. The evolution and description of aging -- 4. Evolutionary and comparative aspects of longevity and aging -- 5. Human aging -- 6. Genetic determinants of longevity -- 7. Altering aging: interventions known to modify longevity and aging -- Pts.III. Theories of aging -- 8. Concepts and theories of aging: an appreciation -- 9. Stochastic theories of aging -- 10. Systemic theories of aging -- 11. Aging as an intracellular process -- 12. Aging as a breakdown of intercellular regulatory processes -- Pts.IV. Conclusions and prospects -- 13. Is there a common mechanism of aging? -- 14. Aging-related research and societal goals

1. Aging
2. Physiology
3. Comparative