Argument against the cliché "extend healthspan but not lifespan"
The authors argue that "extending healthspan but not lifespan" is not a coherent goal for aging research, because interventions that postpone death may also extend time in diminished health. [1]
Automatic summary · not editorially reviewed
The key findings
The authors call the goal of extending healthspan but not lifespan a misguided cliché. [1]
Animal-model experiments have shown that aging can be retarded and lifespan extended, increasing healthspan and gerospan to varying degrees. [1]
The authors argue that withholding an intervention that postpones death would in many circumstances be unethical. [1]
The source at a glance
- Study type / format
- Abstract of an argumentative article
- Population / context
- Argument about the goals of biogerontology, referring generally to animal models and possible human aging interventions
- Summary based on
- Study abstract
- Original publication
- October 7, 2026
Authors challenge a fashionable answer in biogerontology
The text asks what the ultimate goal of biogerontology, the study of the biology of aging, should be. It notes that a fashionable answer often encountered is to extend healthspan but not lifespan. The authors call this a misguided cliché and set out to argue against it.
Supporting source [1]
Animal models show aging can be slowed and lifespan extended
According to the authors, experimental research with animal models has shown that the aging process can be intervened in and retarded, and lifespan extended. To varying degrees, this increases both healthspan and gerospan, described as the later-life phase in diminished health. For possible equivalent interventions in human aging, the authors say it would be desirable to maximize healthspan and minimize gerospan.
Supporting source [1]
Ethical argument: withholding life-extending interventions
The authors argue that if a given intervention extended gerospan, it would postpone death and thus save lives. In many circumstances it would then be unethical to withhold it. They state that life in moderately diminished health is generally preferable to death, reflected in the recognized value of many life-saving medical interventions that do not restore full health. On this basis they conclude that "extending healthspan but not lifespan" is not a coherent objective for research on aging.
Supporting source [1]
How to interpret this
This is an abstract of an argumentative article; the full text was not reviewed. It reports no new study design, sample, follow-up or outcome data. The animal-model findings are mentioned only in general terms, and no human intervention results are presented.
Based on the study abstract; the full paper, tables and supplementary data were not reviewed.
Source & supporting passages
Gems D, Iijima ER, de Magalhães JP. · europepmc.org · October 7, 2026