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Facing Our Limits: Human Dignity in the Very Old

Dædalus Winter 2006 An ancient Greek myth captures a dilemma that still faces us today. The goddess of the Dawn, Eos, persuades Zeus to make her earthly lover Tithonus immortal. But she forgets to ask Zeus to preserve the health and vitality of her lover. As a result, though Tithonus lives on and on, his body and mind begin to fail. Finally, and with pain in her heart, Eos moves her former lover into a separate chamber where he lives forever out of sight. Like Eos in the myth, some scholars now entertain the prospect of an indeterminate, if not ‘limitless,’ human life span.1 But should this dream become a reality, still other students of aging foresee a growing number of Tithonuses– very old and frail people, bereft of mind, body, and human dignity. The Janus face of aging becomes apparent when we compare what, pursuant to earlier work by Bernice Neugarten and Peter Laslett, my colleagues and I have called the ‘Third’ and ‘Fourth Age’ of the human life span.2 These are dynamic and heuristic concepts, approximations that change with time and exhibit large individual variations. Currently, in developed countries, the Third Age begins, on average, at about age 60; the Fourth Age generally starts around age 80. In recent decades, a powerful coalition of gerontological scientists, policymakers, and social-technological advances Paul B. Baltes