This book contain Part I until Part IV. Part I Defining and Measuring Aging; Perspectives on Aging; Measuring Age_Related Changes in Populations; Measuring Age-Related Changes in Individuals; Part II The Evolution and Description of Aging; Evolutionary and Comparative Aspects of Longevity and Aging; Human Aging; Genetic Determinants of Longevity; Altering Aging: Interventions Known to Modify Lo…