The Long and Short of Longevity: Why More Might Be Less
Extending the human lifespan raises ethical and existential questions.
Posted July 22, 2025 | Reviewed by Michelle Quirk
If the Spanish conquistador Ponce de Leon woke up after 500 years, he would probably be surprised and delighted that the search for the fountain of youth is alive and well. I recently attended a longevity conference in which speakers were confident that we will be able to suspend our bodies at a biologic age of 30 years and that we can reasonably expect in the near future to live for 300 years, if not actually escape death.
Rather than hacking through Florida jungles and swamps in search of magical waters, the current search for longevity transpires in pristine laboratories of major universities and corporations around the world. Our knowledge of the biology of aging, first derived from sacrificed worms and rodents, and now live human tissue and trials, has accelerated in recent years. We have a deeper understanding of the molecular, genetic, and environmental reasons for biological decay. Strides are being made in our knowledge of how aging is influenced by epigenetic changes, how genes can be edited to alter lifespans, the ways that cellular senescence can be reprogrammed, how stem cells can be harvested for regeneration, how relevant circulating factors from young plasma can be used, how drugs like metformin and rapamycin can slow aging, and why nutritional approaches like calorie restriction might allow us to live longer.
Longevity is a prominent wellness trend. Almost nobody wants to die. So why might anybody object to living longer? Broadly speaking, inequities and their costly consequences and a confusion of quantity with quality are reasons to give pause.
Our bodies fall apart as we age in at least four ways. First is the mechanical breakdown. Who past the age of 50 has not been irritated by their knees or back? Wear and tear on our joints, muscles, and tendons is part of getting older. Second is plumbing. Our blood vessels start to clog up in our 30s and 40s, eventually leading to heart attacks and strokes. Third, our cells multiply when they shouldn’t, and, fourth, our cells shrivel when we prefer that they not do so. In medical terms, these are orthopedic, cardiovascular, oncological, and degenerative conditions. My intuition , which admittedly could be wrong, is that our ability to slow aging will differ by organ system. We might do better at addressing mechanical and plumbing issues and less well at cellular control. Who wants healthy bodies and decrepit minds for years on end? Regardless of the correctness of my intuitions, an extended healthy lifespan is simply not enough to think longevity automatically leads to human flourishing.
Inequity concerns center around individual and global disparities and intergenerational conflict. 1,2 The commerce of longevity is big business. Companies peddling longevity notions and potions stand to make a lot of money with the promise of eternal youth. The costs of manufacture, delivery, and personalizing treatments are not trivial. If and when these interventions might work, they will be more readily available to the rich and the powerful. Disparities, disturbing in their current form, will get exaggerated. Think of the billionaires and powerful politicians who crowd our media. How many of them do you want around for the next 300 years? Within countries, the allocation of scientific research and healthcare resources could be diverted away from broad-based basic primary care to life extensions for the few.
What applies to powerful people also applies to powerful nations. Countries with more resources will avail themselves of these life-extending measures in a way that poor places will not be able to. What might be the geopolitical consequences of the exacerbation of such inequities? Finally, will such life extensions increase intergenerational conflict? The spate of octogenarian politicians and U.S. Supreme Court justices are recent case examples of many people’s unwillingness to voluntarily give up power and prestige to make way for future generations. What would the consequences be of intergenerational tensions extending over much longer periods of time and across several generations simultaneously?
The deeper problem often left unacknowledged in discussions of longevity and wellness is the assumption that more is better. Aristotle described the good life as eudaimonic. That is a life with meaning, virtue, and value. Thinking that longevity is a source of wellness confuses a quantity (life span) with a quality (flourishing). Discussions of longevity without serious consideration of eudaimonia side-step a fundamental question: What is a good life? The answer to this question is never easy, but confusing length of life with meaning of life will not help matters. In principle, this does not mean that careful consideration of what constitutes a meaningful life over a longer time span and the policy implications for health care and economics could not happen.
However, I fear that financial interests will drive longevity applications without deep consideration of our humanity. The recent and ongoing evolution of artificial intelligence research and business might be a relevant analogy. Despite concerns being raised by some of the very pioneers who created the field, ethical concerns are most often swept under the commercial rug. Money eclipses meaning. In an age marked by loneliness , anxiety , and alienation, the relentless pursuit of profit masquerades as the pursuit of happiness , and collective denial of death substitutes for spirited engagement with life.
We are better served by asking how to live better than to live longer. The answer may lie in embracing our own mortality rather than denying it. Psychotherapist Francis Weller offers a simple, vivifying strategy 3 :
My daily practice is to wake and immediately bring my attention to this thought: “I am one day closer to my death. So how will I live this day? How will I greet those I meet? How will I bring soul to each moment? I do not want to waste this day." –Francis Weller, The Wild Edge of Sorrow
Douglas, M. (2024, 2024/11/05). Longevity. Journal of Practical Ethics, 11 (2). https://doi.org/10.3998/jpe.6216
Saliev, T., & Singh, P. B. (2025, 2025/06/01). Age reprogramming: Innovations and ethical considerations for prolonged longevity (Review). Biomed Rep, 22 (6), 96. https://doi.org/10.3892/br.2025.1974
Francis Weller (2015). The Wild Edge of Sorrow: Rituals of Renewal and the Sacred Work of Grief . North Atlantic Books.
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Anjan Chatterjee, MD, FAAN, is Professor of Neurology, Psychology, and Architecture at the University of Pennsylvania Perelman School of Medicine.
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This article is part of the Bringwise Psychology Journal — daily insights on human behavior, mental health, and personal growth.