Cited by 1,385Health disparities and outcomesAging and Gerontology ResearchHealth, psychology, and well-being

Allostatic load as a marker of cumulative biological risk: MacArthur studies of successful aging

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Seeman, Teresa E., McEwen, Bruce S., Rowe, John W., Singer, Burton H.·2001·Proceedings of the National Academy of Sciences

Abstract

Allostatic load (AL) has been proposed as a new conceptualization of cumulative biological burden exacted on the body through attempts to adapt to life's demands. Using a multisystem summary measure of AL, we evaluated its capacity to predict four categories of health outcomes, 7 years after a baseline survey of 1,189 men and women age 70–79. Higher baseline AL scores were associated with significantly increased risk for 7-year mortality as well as declines in cognitive and physical functioning and were marginally associated with incident cardiovascular disease events, independent of standard socio-demographic characteristics and baseline health status. The summary AL measure was based on 10 parameters of biological functioning, four of which are primary mediators in the cascade from perceived challenges to downstream health outcomes. Six of the components are secondary mediators reflecting primarily components of the metabolic syndrome (syndrome X). AL was a better predictor of mortality and decline in physical functioning than either the syndrome X or primary mediator components alone. The findings support the concept of AL as a measure of cumulative biological burden.

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Crossref · 10.1073/pnas.081072698

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  • There are reliable indices of early damage to regulatory systems, allostatic load, and cellular aging such as inflammation, telomere length, and epigenetic clock that can be measured during mid-life and serve as markers, risk factors, and likely mechanistic precursors to disease or early mortality.

    “Fortunately, although diagnosable disease does not occur until later in life, there are several reliable indices of early damage to regulatory systems, allostatic load (Hwang et al., 2014; Robertson et al., 2017; Seeman et al., 2001), and cellular aging such as inflammation, telomere length, and epigenetic clock (Chen et al., 2016; Codd et al., 2013; Emerging Risk Factors Collaboration et al., 201”

    From More than a feeling: A unified view of stress measurement for population science (2018) · cites this paper as Seeman et al., 2001

  • There is wealth of evidence establishing direct pathways between the SNS and physical health.

    “There is also wealth of evidence establishing direct pathways between the SNS and physical health (Danese and McEwen, 2012; McLaughlin et al., 2014a; Seeman et al., 2001).”
  • The effects of allostatic load on outcomes result from contributions of multiple regulatory systems represented in the index.

    “the effects were found to result from the contributions of multiple regulatory systems represented in the index, 164”
  • The associations between baseline allostatic load and major outcomes were found over an initial 2.5-year follow-up and a longer 7-year follow-up.

    “These associations were found both with respect to an initial 2.5 year follow-up period 176 as well as a longer 7-year period, 164”

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Authors
Seeman, T. E., McEwen, B. S., Rowe, J. W., & Singer, B. H.
Affiliations
Aetna (United States) (US)
Venue
Proceedings of the National Academy of Sciences
Published
2001-04-03
Volume
98
Issue
8
Pages
4770-4775
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2015252215
Cited by
1,385
References
24
Citations by year
2026: 68 · 2025: 68 · 2024: 52 · 2023: 51 · 2022: 73 · 2021: 86 · 2020: 86 · 2019: 91 · 2018: 66 · 2017: 67 · 2016: 79 · 2015: 63 · 2014: 79 · 2013: 49 · 2012: 50
FWCI
30.86
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ag017056-03)
  • National Institute on Aging (AG00586, AG 17056)
Topics
  • Social Sciences › Health › Health disparities and outcomes
  • Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Aging and Gerontology Research
  • Health Sciences › Health Professions › General Health Professions › Health, psychology, and well-being
Keywords
allostatic load, successful aging, older adults, mortality, cognitive decline, cardiovascular disease, metabolic syndrome, biological mediators, aging
MeSH terms
Aged, Aging, Female, Humans, Male, Regression Analysis, Stress, Physiological, Microvascular Angina

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