This is the sixth volume in the six-volume collection "Disciplinary Approaches towards Aging." This set systematically presents the most recognized and informative scholarship from the range of disciplines currently exploring the effects of aging. This multi-disciplinary approach offers each field a representative sample of its own scholarship and allows students and scholars a one-stop approach for the scholarship in other fields that flow into their own. This collection provides a rounded, comprehensive collection of articles on the challenges of aging that has s wide appeal.