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Updated: Jan 7, 2026

Surveying Low-Cost Methods to Measure Lifespan and Healthspan in Caenorhabditis elegans

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Published on: May 18, 2022

Life Extension and Civic Virtue.

Michael Blake¹

¹Professor of philosophy, public policy, and governance at the University of Washington in Seattle.

AMA Journal of Ethics

|December 18, 2025

Summary

Inequitable access to life-extending technologies could erode civic virtue by creating disparate lifespan expectations. This disparity undermines moral agency and social cohesion, particularly for those with fewer resources.

Area of Science:

Bioethics
Sociology
Public Health Policy

Background:

Lifespan-extending interventions raise ethical questions regarding equitable access.
Socioeconomic status currently correlates with health outcomes and life expectancy.
The potential for radical life extension necessitates examination of its societal impacts.

Purpose of the Study:

To analyze how inequitable access to life-extending interventions impacts civic virtue.
To explore the consequences of differential lifespans based on socioeconomic status.
To examine the potential erosion of moral agency and social commonality.

Main Methods:

Philosophical argumentation
Ethical analysis
Socioeconomic impact assessment

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Last Updated: Jan 7, 2026

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Published on: May 18, 2022

Measuring Caenorhabditis elegans Life Span in 96 Well Microtiter Plates

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Published on: March 18, 2011

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

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Published on: September 17, 2020

Main Results:

Maldistribution of lifespan interventions normalizes differential lifespans, undermining moral agency for those in poverty.
Common lifespan experiences and milestones may diminish, fracturing social commonality.
Wealthier individuals may develop discriminatory views towards those with shorter lifespans.

Conclusions:

Equitable access to life-extending technologies is crucial for maintaining civic virtue and social cohesion.
Addressing socioeconomic disparities in lifespan interventions is essential for ethical societal development.
Failure to ensure equitable access risks fostering a biologically deterministic and morally stratified society.