The 15‐Year Survival Advantage: Immune Resilience as a Salutogenic Force in Healthy Aging

Human aging presents an evolutionary paradox: while aging rates remain constant, healthspan and lifespan vary widely. We address this conundrum via salutogenesis-the active production of health-through immune resilience (IR), the capacity to resist disease despite aging and inflammation. Analyzing ~17,500 individuals across lifespan stages and inflammatory challenges, we identified a core salutogenic mechanism: IR centered on TCF7, a conserved transcription factor maintaining T-cell stemness and regenerative potential. IR integrates innate and adaptive immunity to counter three aging and mortality drivers: chronic inflammation (inflammaging), immune aging, and cellular senescence. By mitigating these aging mechanisms, IR confers survival advantages: At age 40, individuals with poor IR face a 9.7-fold higher mortality rate-a risk equivalent to that of 55.5-year-olds with optimal IR-resulting in a 15.5-year gap in survival. Optimal IR preserves youthful immune profiles at any age, enhances vaccine responses, and reduces burdens of cardiovascular disease, Alzheimer's, and serious infections. Two key salutogenic evolutionary themes emerge: first, female-predominant IR, including TCF7, likely reflects evolutionary pressures favoring reproductive success and caregiving; second, midlife (40-70 years) is a critical window where optimal IR reduces mortality by 69%. After age 70, mortality rates converge between resilient and non-resilient groups, reflecting biological limits on longevity extension. TNFα-blockers restore salutogenesis pathways, indicating IR delays aging-related processes rather than altering aging rates. By reframing aging as a salutogenic-pathogenic balance, we establish TCF7-centered IR as central to healthy longevity. Targeted midlife interventions to enhance IR offer actionable strategies to maximize healthspan before biological constraints limit benefits.

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Publication Details

Journal
Aging Cell
Published
2025-04-23
DOI
https://doi.org/10.1111/acel.70063
Citations
8
Primary Topic
Optimism, Hope, and Well-being
Type
article
Field-Weighted Citation Impact
12.35

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article

The 15‐Year Survival Advantage: Immune Resilience as a Salutogenic Force in Healthy Aging

Alvaro Moreira, Leopoldo N. Segal, Hanh Trinh, Weijing He et al.
8 citations
Aging Cell
Optimism, Hope, and Well-being
12.35
article

The 15‐Year Survival Advantage: Immune Resilience as a Salutogenic Force in Healthy Aging

Alvaro Moreira, Leopoldo N. Segal, Hanh Trinh, Weijing He, Alvaro A. Gaitan, Lavanya Pandranki, Fabio Jiménez, Michael Mader, C.R. Barnett, Devjit Tripathy, Luis F. Angel, Anne P. Branum, Marcos I. Restrepo, Michelle Noronha, Justin A. Meunier, Alisha M. Smith, Sandra Sanchez‐Reilly, Robert A. Clark, Nathan Harper, Jason F. Okulicz, Nu Zhang, Grace C. Lee, Susannah E. Nicholson, Muthu Saravanan Manoharan, Kian Andampour, Sreenath Karekatt
article en
8 citations

Abstract

Human aging presents an evolutionary paradox: while aging rates remain constant, healthspan and lifespan vary widely. We address this conundrum via salutogenesis-the active production of health-through immune resilience (IR), the capacity to resist disease despite aging and inflammation. Analyzing ~17,500 individuals across lifespan stages and inflammatory challenges, we identified a core salutogenic mechanism: IR centered on TCF7, a conserved transcription factor maintaining T-cell stemness and regenerative potential. IR integrates innate and adaptive immunity to counter three aging and mortality drivers: chronic inflammation (inflammaging), immune aging, and cellular senescence. By mitigating these aging mechanisms, IR confers survival advantages: At age 40, individuals with poor IR face a 9.7-fold higher mortality rate-a risk equivalent to that of 55.5-year-olds with optimal IR-resulting in a 15.5-year gap in survival. Optimal IR preserves youthful immune profiles at any age, enhances vaccine responses, and reduces burdens of cardiovascular disease, Alzheimer's, and serious infections. Two key salutogenic evolutionary themes emerge: first, female-predominant IR, including TCF7, likely reflects evolutionary pressures favoring reproductive success and caregiving; second, midlife (40-70 years) is a critical window where optimal IR reduces mortality by 69%. After age 70, mortality rates converge between resilient and non-resilient groups, reflecting biological limits on longevity extension. TNFα-blockers restore salutogenesis pathways, indicating IR delays aging-related processes rather than altering aging rates. By reframing aging as a salutogenic-pathogenic balance, we establish TCF7-centered IR as central to healthy longevity. Targeted midlife interventions to enhance IR offer actionable strategies to maximize healthspan before biological constraints limit benefits.

Aging CellVol. 24(7)
Austin College (US), The University of Texas at San Antonio Health Science Center (US), Gilead Sciences (United States) (US), Foundation for Advancing Veterans Health Research (US), South Texas Veterans Health Care System (US), New York University (US), The University of Texas at Austin (US)
U.S. Department of Defense, U.S. Department of Veterans Affairs, National Institutes of Health, U.S. Air Force, National Heart, Lung, and Blood Institute, National Human Genome Research Institute, National Institute of Allergy and Infectious Diseases, 59th Medical Wing, NHLBI Division of Intramural Research
Good health and well-being
Openalex Percentile: Top 1%
Optimism, Hope, and Well-being
12.35
DOIOpen Access PDFOpenAlex
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