Defending the Self: Why Medicine Must Move Beyond Lifespan and Healthspan
The desire for a long life is ancient. The desire for a meaningful one — a life in which identity, purpose, and the coherent sense of self are preserved as long as the body endures — is considerably more recent. And it demands a fundamentally different approach to medicine than the one we currently practice. Modern medicine has achieved remarkable things. Hearts are sustained, lungs supported, laboratory values normalized, and survival extended across conditions that would have been rapidly fatal a generation ago. Yet something critical is being lost in the process. The body persists while the person fades. Memory unravels, character dissolves, agency retreats — and the medical system, organized around keeping biological systems running, often has no framework for registering this loss, let alone preventing it. We are winning the battle for years while losing the war for the self. This uncoupling — between the biological life that continues and the personal life that erodes — is the de...