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Updated: Aug 11, 2026
12:08
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
Published on: May 22, 2013
Telomeres, cancer, and aging. Altering the human life span
1Richard & Rhoda Goldman School of Public Policy & Center for the Economics and Demography of Aging, University of California, Berkeley, USA.
JAMA
|October 29, 1997
Summary
Advances in aging research suggest the maximum human life span may not be fixed. This challenges current population projections and necessitates a re-evaluation of future healthcare costs.
Area of Science:
- Gerontology
- Cell Biology
- Genetics
Background:
- Population projections rely on assumptions about human life span.
- Historically, maximum human life span has been considered fixed.
- Recent research challenges this assumption.
Purpose of the Study:
- To explore the implications of potential human life span extension.
- To assess the impact of aging research on future healthcare cost projections.
- To highlight the uncertainty introduced by advances in longevity science.
Main Methods:
- Review of recent advances in cell biology and genetics related to aging.
- Analysis of animal model studies on life span manipulation (telomeres, genes, diet).
- Evaluation of the potential impact of these findings on human aging and disease.
Main Results:
- Cellular senescence can be altered in vitro (telomeres).
- In vivo manipulation of genes and diet extends maximum life span in animal models.
- Extending these findings to humans suggests potential for increased life span and delayed aging-related diseases.
Conclusions:
- The assumption of a fixed maximum human life span is increasingly challenged.
- Extending human life span could significantly alter future healthcare cost projections.
- Uncertainty in life span projections complicates accurate long-term financial planning for healthcare.
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