Background And Objectives: For the first time in human history, older adults will outnumber children and a substantial and growing proportion will live alone and lack one or more nuclear family ties. Such unprecedented shifts require a reevaluation of existing models of "successful aging," particularly in terms of long-term care policies.
Research Design And Methods: This paper draws on country-level data from multiple publicly available sources (e.g., World Bank, Organization for Economic Cooperation and Development, Our World in Data, and the World Values Survey) to examine cross-national patterns of development, health, demography, resources and policies, and cultural values in low-, middle-, and high-income countries.
Results: Although there exists substantial heterogeneity across countries, country-level patterns illustrate the economic privilege of living alone and the dominance of "successful aging" opportunities in high-income countries. Cultural values about family reflect standard patterns of economic development, yet friendship emerges as a particularly consistent global value. At the country-level, living alone and health are associated with higher-income countries with lower within-country inequality.
Discussion And Implications: Aging "alone" is a risk factor in some contexts, yet a marker of privilege in others. Models of "successful aging" are largely unobtainable in lower-income countries or high-inequality countries, and therefore require a thorough incorporation of global realities or final abandonment in favor of more nuanced structural perspectives. Long-term care policies that assume the presence of family will yield increasing risk over time across all global contexts and represent a key vulnerability in the future of healthy aging policy.
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http://dx.doi.org/10.1093/geront/gnae104 | DOI Listing |
Int Psychogeriatr
January 2025
School of Psychology, The University of Queensland, Brisbane, Australia.
Objectives: There are currently major inconsistencies in the methodological approaches used to index social frailty. The present study aimed to better understand which of these approaches may be most valuable in predicting older adult's physical health and psychological wellbeing.
Design: One hundred and thirty-three participants aged 60-90 years completed five measures commonly used to index social frailty, along with five measures of physical health, and psychological wellbeing.
PLoS One
January 2025
Deptartment of Psychology, Faculty of Behavioural and Social Sciences, University of Amsterdam, Amsterdam, Netherlands.
Aging inevitably gives rise to many challenges and transitions that can greatly impact our (mental) well-being and quality of life if these are not controlled adequately. Hence, the key to successful aging may not be the absence of these stressors, but the ability to demonstrate resilience against them. The current study set out to explore how resilience and successful aging may intersect by investigating how various resilience capacity-promoting (protective) and resilience capacity-reducing (risk) factors relate to mental well-being and quality of life.
View Article and Find Full Text PDFAlzheimers Dement
January 2025
Department of Neuroscience, University of California, Berkeley, California, USA.
Introduction: Successful cognitive aging is related to both maintaining brain structure and avoiding Alzheimer's disease (AD) pathology, but how these factors interplay is unclear.
Methods: A total of 109 cognitively normal older adults (70+ years old) underwent amyloid beta (Aβ) and tau positron emission tomography (PET) imaging, structural magnetic resonance imaging (MRI), and cognitive testing. Cognitive aging was quantified using the cognitive age gap (CAG), subtracting chronological age from predicted cognitive age.
Nat Aging
January 2025
National Clinical Research Center for Aging and Medicine, Huashan Hospital and MOE/NHC/CAMS Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China.
Gut microbiota plays a crucial role in the host health in the aging process. However, the mechanisms for how gut microbiota triggers cellular senescence and the consequent impact on human aging remain enigmatic. Here we show that phenylacetylglutamine (PAGln), a metabolite linked to gut microbiota, drives host cellular senescence.
View Article and Find Full Text PDFAging Ment Health
January 2025
Department of Social Psychology, University of Valencia, Valencia, Spain.
Objectives: The concept of successful aging has been criticized for overlooking the experiences of older adults aging with disabilities, which may accentuate segregation and consolidate inequities. This qualitative study explored how older people living with early-onset mobility disabilities define successful aging, whether their definitions differ from those proposed by academia and from those of older people without disabilities, and to what extent older people with motor disabilities perceive themselves as aging successfully.
Method: Thirty-two people (20 women, 12 men) aged over 60 and living with motor disabilities for a minimum of 20 years were interviewed about their definition of successful aging and whether they considered that they were aging successfully.
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