Successful Aging Research Articles

Beta diversity subcomponents of plant species turnover and nestedness reveal drivers of community assembly in a regenerating subtropical forest.

Secondary forests represent a significant proportion of global forest cover, with over 70% of forests in East Asia classified as regenerating. While succession has been studied extensively in temperate systems, trajectories of subtropical succession remain poorly characterized in highly disturbed, urban-adjacent forests. Investigating the additive beta diversity components of turnover and nestedness may reveal community assembly mechanisms driving secondary succession. The present study investigates plant community assembly along a successional gradient from 7 to 70 years following the onset of succession in secondary subtropical forests in Hong Kong, China. Plant survey data for 28 plots were analysed, generating additive Simpsons turnover and nestedness beta diversity metrics. Dissimilarity matrices were generated and modelled as a function of environmental matrices including forest plant community age (years following onset of secondary succession), inter-community distance (metres), and soil moisture saturation (%) across three elevational bands using generalized dissimilarity models. Nonmetric multidimensional scaling of plant communities was conducted with Bray-Curtis dissimilarity matrices. Inter-community distance and successional age differentially influenced plant species turnover between lowland and Montane forest types. Models of nestedness found that plot age and soil moisture saturation were significant drivers of nestedness patterns in plant communities across elevational classes. Turnover represented a higher proportion of Sorensen beta diversity than nestedness, while ANOSIM found significant differentiation between plant communities at different successional stages. Turnover patterns suggest a deterministic model of community assembly, with strong patterns of species replacement between communities at fine spatial scales and successional stages, as well as clear compositional shifts between lowland and montane forest types. NMDS analysis and functional compositional assessments suggested a transition from early successional communities with a high proportion of shrub species, to later successional communities with a higher proportion of tree species, with an increase in species turnover with greater age dissimilarity.

Changes in Innate Immunity and Microbiome in Different Aging Phenotypes.

The indicators of innate immunity and the composition of the microbiome in the nasopharyngeal mucosa in centenarians with different aging phenotypes were analyzed. A significant increase in the expression of pattern-recognizing receptor genes (TLR2, TLR4, and NLRP3) and proinflammatory cytokines (IL1B, IL18) was shown in the group of centenarians with pathological aging phenotype. In centenarians with successful aging phenotype, increased diversity of the microbiome composition was observed. At the same time, a moderate inverse correlation was found between an increase in the growth of the commensal bacterium Streptococcus salivarius and a decrease in the expression of proinflammatory cytokine genes IL1B and IL18. These findings can serve as biomarkers for the timely identification of the phenotype of aging in senile and elderly people.

The Impact of Death Anxiety on Successful Aging in Elderly Women : the Moderating Effect of Exercis Value Perception

The Impact of Death Anxiety on Successful Aging in Elderly Women : the Moderating Effect of Exercis Value Perception

Effect of Seniors' Savoring Beliefs on Successful Aging: The Dual Mediation Effect Social Support and Ego-Integrity

Effect of Seniors' Savoring Beliefs on Successful Aging: The Dual Mediation Effect Social Support and Ego-Integrity

Identifying priority challenges of older adults with COPD: A multiphase intervention refinement study.

Identifying priority challenges of older adults with chronic obstructive pulmonary disease (COPD) is critical to designing interventions aimed at improving their well-being and independence. To prioritize challenges of older adults with COPD and those who care for them to guide refinement of a telephonic nurse coach intervention for patients with COPD and their family caregivers (EPIC: Empowering People to Independence in COPD). Multiphase study guided by Baltes Theory of Successful Aging and the 5Ms Framework: Phase 1: Nominal group technique (NGT), a structured process of prioritizing responses to a question through group consensus. Phase 2: Rapid qualitative analysis. Phase 3: Intervention mapping and refinement. Ambulatory, virtual. Older adults with COPD, family caregivers, clinic staff (nurses, respiratory therapists), clinicians (physicians, nurse practitioners), and health system leaders. NGT sessions were conducted by constituency group with 37 participants (n = 7 patients, n = 6 family caregivers, n = 8 clinic staff, n = 9 clinicians, n = 7 health system leaders) (Phase 1). Participants generated 92 statements across five themes (Phase 2): (1) "Barriers to care", (2) "Family caregiver needs", (3) "Functional status and mobility issues", (4) "Illness understanding", and (5) "COPD care complexities". Supplemental oxygen challenges emerged as a critical problem, and prioritized challenges differed by group. Patients and clinic staff prioritized "Functional status and mobility issues", family caregivers prioritized "Family caregiver needs", and clinicians and health system leaders prioritized "COPD care complexities". Intervention mapping (Phase 3) guided EPIC refinement focused on meeting patient priorities of independence and mobility but accounting for all priorities. Diverse constituency groups identified priority challenges for older adults with COPD. Functional status and mobility issues, particularly related to supplemental oxygen, emerged as patient prioritized challenges. Patient-centered interventions for older adults with COPD must account for their prioritized functional and supplemental oxygen needs and explore diverse constituent perspectives to facilitate intervention enrichment.

Telomere Length, HLA, and Longevity-Results from a Multicenter Study.

Aging is an exceptionally complex process that depends on genetic, environmental, and lifestyle factors. Previous studies within the International HLA and Immunogenetics Workshop (IHIWS) component "Immunogenetics of Ageing" showed that longevity is associated with positive selection of HLA-DRB1*11- and DRB1*16-associated haplotypes, shown to be protective against diseases. Within the 18th IHIWS, we aimed to investigate the relevance of telomere length for successful aging and its association with classical HLAs. In total 957 individuals from Bulgaria, Turkey, Romania, and Poland in two age groups, elderly individuals (age 65-99 years) and ethnically matched young group (age 18-64 years), were investigated. The obtained results confirmed interpopulation differences in the distribution of HLA alleles, documented the lengths of telomeres in analyzed populations, and demonstrated significant associations of telomere length with aging as well as with the presence of some HLA class I or class II alleles. They suggest that telomere length assessment combined with HLA genotyping may help identify immunogenetic profiles associated with longevity. The associations between HLA and telomeres support the theory that HLA genes influence the aging process. However, further research is needed to clarify the biological basis of the observed relationships.

A way to aging well: A qualitative study to identify psychological barriers and facilitators to the use of information and communication technologies (ICT) by older adults

ABSTRACT Using information and communication technologies (ICT) can be a major challenge for older people. Some data exists in the literature on the elements that enable their use, but none has focused specifically on the elderly. ICT provide individuals with a means to interact with each other, thus, ICT represent a factor facilitating interactions. However, although such technologies are ever more present in our physical environment, some older adults still do not use ICT, suggesting that other barriers could exist. The aim of this study was therefore to identify the psychological barriers that prevent older people from using ICT and to identify the facilitators. These facilitators could promote the use of ICT and thus enable older adults to age well through maintaining a high level of social interactions. Thirteen older adults participated in a semi-structured interview and Nvivo 12 software was used to analyze the content. Three themes were identified: sense of self-efficacy, perception of available resources, and individual and environmental components. Each of these themes included sub-themes which were either facilitators or barriers and those of the first two themes (sense of self-efficacy, and individual and environmental components) can fluctuate from facilitator to barrier depending on the individual. By identifying psychological facilitators and barriers to older adults’ use of ICT can help public and not-for-profit organizations to develop training designed for this public. Promoting older adults’ use of ICT could provide a means to maintain social interactions and, thus, contribute to successful aging.

Gerotranscendence, Hope, and Coherence in the Face of Life Adversity.

Background and Purpose: Older adults are living longer and becoming more diverse. The current study examined the relationship between traumatic life events, hope, coherence, and successful aging in Black and White older adults with at least one chronic health condition, and the influence of life events on gerotranscendence. Methods: Fifty older adults from two senior centers participated. Participants completed the Successful Aging Inventory, Life Events Checklist, Herth Hope Index, and Sense of Coherence Scale. Results: Significant correlations were found between successful aging and gerotranscendence (r = .290; p = .048) and hope (r = .585; p = <.001). Simple linear regression found that Successful Aging Index (SAI) scores significantly predicted gerotranscendence (R2 = .10, F(1, 46) = 5.157, p = .028) and Herth Hope Index scores (R2 = .36, F(1, 46) = 25.850, p <.001). Higher Sense of Coherence (SoC) and Gerotranscendence Scale scores among those with no firsthand trauma experience suggest that experiencing traumatic events firsthand may adversely affect the aging process. Implications: Therefore, exploration of trauma experiences, with mental health referrals as appropriate are clinical implications to consider.

Social capital and successful aging among senior park golfers

Park golf, which evolved from golf, is one of South Korea’s fastest-growing sports. As park golf has become increasingly popular, specifically among older adults, its advantages and disadvantages must be identified. This study aims to explore the experiences of older adults engaged in park golf, specifically focusing on how playing park golf fosters social capital and contributes to successful aging among senior park golfers. Twenty senior park golfers participated in detailed interviews. The qualitative data analysis shows that this study’s participants constituted a formal group. Five main themes were identified from the data analysis: (a) reciprocity, (b) bonding networks, (c) bridging networks, (d) social participation, and (e) health. Moreover, our findings provide empirical evidence that playing park golf can create social capital related to successful aging among seniors.

The Role of Life Satisfaction and Optimism for Successful Aging in Mid and Late Life.

Guided by the Rowe and Kahn model, the current study examined the longitudinal association of objective and subjective components of successful aging (SA) with individuals' life satisfaction and level of optimism across adulthood aiming to validate the related scanty existing research. Data were from waves 2 and 3 (2004-14) of the Midlife in the United States (MIDUS) study. Using structural equation modeling, we examined (N = 2,040) whether subjective life satisfaction (wave 2) has any effect on a composite measure of SA (wave 3) while controlling for baseline sociodemographic and health factors. We also examined the mediation effects of optimism in the above associations. Findings revealed that life satisfaction has a significant positive effect on SA; also, this effect is bidirectional. Further, high optimism positively mediated the bidirectional association between life satisfaction and SA. This study identified life satisfaction and optimism as having potentially positive impacts on achieving SA in middle-aged and older adults.

Definitions of Ageing According to the Perspective of the Psychology of Ageing: A Scoping Review.

We conducted a review of the literature through PubMed, Scopus, Web of Science and Google Scholar databases, and we followed the PRISMA-ScR guidelines, analysing papers written in English between 2002 and 2023. The review showed different conceptual models of ageing, including Rowe and Kahn's successful ageing model, the World Health Organization's models, and others like the "Selection, Optimization and Compensation" Model. Also, the determinants and predictors of ageing have been analysed highlighting the individual variability and the multidimensional nature of ageing. The geographic diversity of the included studies allowed for the analysis of cultural, socioeconomic, and environmental differences in the conceptualisation of ageing. The results emphasise the importance of targeted interventions and programs aimed at promoting well-being during ageing, considering the complexity and multidimensionality of the ageing process.

The university as an ally for active aging and quality of life

This article discusses the health status of older persons participating in an extension course lasting two years at the University of Santa Cruz do Sul/RS, Brazil, from a descriptive quantitative and qualitative study conducted in 2014 and 2015, with 47 persons over 60. Instruments were used to assess the elders' cognitive functions and overall health. The study presents the perspective of successful aging focusing on the following aspects: low probability of disease, good functional capacity (physical and cognitive), and active participation in the community. The studied sample has characteristics that corroborate the general health status and quality of life conditions, such as the many years of study, the continuous search for knowledge-related activities, the involvement in different physical and leisure activities, and socializing with family and friends. The research indicates that the insertion in university programs contributes to the prevention of cognitive decline and the general state of health, contributing to self-esteem and maintenance of mental health, which reflects in aging with quality of life.

Factors Affecting Successful Aging of Older Adults and the Relationship Between Leisure Activities Duration and Successful Aging.

The study was conducted with older adults who lived in a nursing home and applied to the geriatric outpatient clinic of a university hospital between April and August 2022. The study sample was 516 older adults and the data were collected by using the Older Information Form and Successful Aging Scale (SAS). It was determined that the mean duration of daily leisure activities was 6.61 ± 3.69 hours, and their mean SAS score was 58.31 ± 15.21. A moderate positive correlation was found between the SAS scores of the older adults and the activities of shopping; whereas a low positive correlation was found between their SAS scores and activities of walking, visiting friends and relatives, growing flowers, listening to music, reading, hand knitting, spending time on social media, exercising, and puzzles (p < .05). The main results of our study revealed that planned leisure activities that older adults engage in would contribute to their successful aging.

Associations of mitochondrial genomic variation with successful neurological aging

Mitochondrial health is an integral factor in aging, with mitochondrial dysfunction known to increase with age and contribute to the development of age-related neurodegenerative disorders. Additionally, the mitochondrial genome (mtDNA) has been shown to acquire potentially damaging somatic variation as part of the aging process, while mtDNA single nucleotide polymorphism (SNPs) have been shown to be both protective and detrimental for various neurodegenerative diseases. Yet, little is known about the involvement of mtDNA variation in longevity and successful neurological aging. In this study, we examined the association of mtDNA SNPs, in the form of mitochondrial haplogroups, with successful neurological aging in 1,405 unrelated neurologically healthy subjects. Although not quite significant after correcting for multiple testing (P < 0.0017 considered as significant), we detected a nominally significant association between the I haplogroup (N = 45, 3.2 %) and a younger age (β: −5.00, P = 0.006), indicating that this haplogroup is observed less frequently in older neurologically healthy individuals and may be associated with decreased survival. Replication of this finding in independent neurologically healthy cohorts will be imperative for shaping our understanding of the biological processes underlying healthy neurological aging.

Aboveground biomass in a post-mining forest succession in the Colombian Pacific

Introduction: Mining is one of the main drivers of deforestation of tropical forests. This activity affects the storage of aboveground biomass of these ecosystems; therefore, their ability to contribute to the mitigation of global climate change. Objective: To assess the influence of soil properties on the aboveground biomass storage of post-mining forests in the Colombian Pacific. Methods: Plots were established in areas post-mining and with different successional ages (12-15 years, 30-35 years, and mature forest). The aboveground biomass and physicochemical parameters of the soil were measured. Results: An aboveground biomass of 15.58 t ha-1, 35.17 t ha-1, and 178.32 t ha-1 was recorded at 12-15 years, 30-35 years, and mature forests, respectively. The species with the highest biomass content in post-mining forests were Cespedesia spathulata and Clidemia septuplinervia. The aboveground biomass was positively correlated with organic matter (OM), calcium (Ca), magnesium (Mg), CICE, total nitrogen (N), and silt. In contrast, the relationship was negative with sand, aluminum (Al), and potassium (K) content. It was evidenced that the relationship between aboveground biomass and soils differed in each successional age. When evaluating the changes of aboveground biomass and soils in the succession, it was observed that the aboveground biomass and total N increased with the recovery time. At the same time, the P and K decreased with succession. On the other hand, the contents of OM, Mg, Al, Ca, and CICE showed curvilinear tendencies since they increased in the first stages and then decreased in the advanced successional stages. Conclusions: Aboveground biomass increases with forest recovery time in the study area. This increase is influenced by the presence of two dominant species shared among the investigated ecosystems and by the soil's N, P, and K content.

The association between trajectories of marital status and successful aging varies by sex: Findings from the Canadian Longitudinal Study on Aging (CLSA)

The association between trajectories of marital status and successful aging varies by sex: Findings from the Canadian Longitudinal Study on Aging (CLSA)

Active social engagement and health among older adults: assessing differences by cancer survivorship status

IntroductionThe number of older adults who are cancer survivors is rapidly growing. Evidence is needed to inform interventions to support successful aging among older adults (including older adult cancer survivors). Active engagement with life, that is, spending time with family and/or close friends, may be related to health outcomes, but this concept remains understudied.MethodsWe used survey data to assess active engagement among older adults (ages 50 + years) from seven mid-Atlantic US states (n = 2,914), and geocoded their residence to collect collected measures of community availability of social interaction. Outcomes were physical and mental health-related quality of life (HRQoL), assessed with the SF-12. We used multivariable, multilevel linear regression to evaluate relationships between social interactions (i.e., “active engagement with life,” or visiting with family and/or friends at least once per week and having at least three close friends, and community-level availability, measured with census tract-level park land and walkability and with county-level availability of social associations) and HRQoL. Finally, we explored differences in these relationships by recent cancer survivorship.ResultsOverall, 1,518 (52.3%) participants were actively engaged. Active engagement was associated with higher physical HRQoL (estimate = 0.94, standard error [SE] = 0.46, p = .04) and mental HRQoL (estimate = 2.10, SE = 0.46, p < .001). The relationship between active engagement and physical HRQoL was stronger for recent cancer survivors (estimate = 4.95, SE = 1.84, p < .01) than for the general population (estimate = 1.10, SE = 0.43, p = .01). Community-level availability of social interaction was not associated with HRQoL.ConclusionOur analysis demonstrated promising associations between active engagement with life and HRQoL among older adults, with large benefits for older cancer survivors. Additional research is needed on how active engagement is associated with better HRQoL, which can inform future policies and programs to optimize the aging process in the US.

A semen-specific deoxyribonucleic acid methylation model for epigenetic age estimation and its robustness under environmental challenges.

In forensic investigations, semen samples are a common form of biological evidence, especially in cases involving sexual assault. Therefore, accurately estimating the age of an individual is crucial in criminal cases. This study presents a novel age estimation model based on semen-specific CpG methylation patterns. A multiplex panel was developed, consisting of 12 CpG sites (PARP14, C5orf25, cg23488376, MXRA5, PFKFB3, DLL1, NOX4, cg12837463, TTC7B, KCNA7, NKX2-1, and SYNE4), which exhibit strong correlations with age. Additionally, this study investigates the resilience of these methylation markers under simulated environmental challenges. We collected ejaculate samples from a diverse cohort of 115 male individuals, aged 20-71 years, who underwent deoxyribonucleic acid extraction and bisulfite conversion. Methylation levels of the selected CpG sites were assessed using a SNaPshot assay, which revealed significant correlations with chronological age. We developed and validated two robust age estimation models through stepwise and enter regression analyses, achieving reliable accuracy with mean absolute errors ranging from 3.81 to 4.1 years. Additionally, the study also investigated the robustness of semen stains under diverse environmental conditions, including fabric type, washing, hematin exposure, and UV-C light. The selected methylation markers demonstrated remarkable resilience despite the challenges posed by washing procedures and environmental exposure, confirming their potential for age estimation in forensic genetics. This research presents successful age estimation models, emphasizing the strong correlations between methylation levels and chronological age. The proposed methodology's accuracy is affirmed through model validation on an independent test set, while also highlighting the resilience of semen stains on fabrics under varying storage and washing conditions.

“Successful” ageing in later older age: A sociology of class and ageing in place

Supporting people to ‘age in place’ – to live independently at home and remain connected to the community – is an international policy priority. But the process of ageing in place is mediated in a socio-cultural context where neoliberal tropes of successful ageing reproduce a pervasive model about ‘ageing well’ by elevating ideals of individualised choice and self-governance.Based on two waves of qualitative interviews and interim observations, we employ a Bourdieusian logic to explore the ramifications of this context on the experiences of 46 people in later older age (80+) ageing in place in North East England. All participants enacted everyday improvisatory practices to render their homes habitable. But our participants – most of whom were located in middle-class social positions – supplemented such improvisions with a strategic disposition to plan for and actively shape their ageing-in-place futures. Our participants conveyed a distinct sense of agency over their ageing futures. Underpinning their orientations to practice was an awareness of the value attached to individually ‘ageing well’ and a distancing from the agedness associated with the fourth age.Our analysis demonstrates the role of capital, accrued throughout the life course, in bringing such future trajectories into effect. The central argument of this paper therefore is that the embodiment of (neoliberal) ideals of successful ageing in place requires the deployment of classed capital. In sum, contrary to the individualising narratives ubiquitous in policy pertaining to ageing well, we show the importance of classed structural moorings in this process.

Testing a Context-Enriched Model of Successful Aging in Multiple Large Data Infrastructures with Individuals in Advanced Old Age.

Few people who are ages 80+ meet the criteria of successful aging (SA) proposed by Rowe and Kahn. Going beyond the individual-level conceptualization, we argue that SA always operates in multiple contexts and that context may become most critical in advanced old age. However, we are not aware of any previous study providing an empirical test of how contexts for SA unfold across persons 80 years and older, including those living in institutions. We estimated and compared prevalences of successful aging based on a classic versus context-enriched understanding of SA in multiple large surveys of older adults, i.e., the D80+ study (N = 3.233) and the NRW80+ study (N [baseline] = 1.863). In addition to replication across independent samples, we investigated the stability of context-related SA across time. Prevalences of SA according to Rowe and Kahn were 9.1% in adults aged 80-84 and 0.7% in persons 90 years or older. However, prevalence rates for those with good contexts at their disposal even if not fulfilling Rowe and Kahn's criteria were much higher across all age groups (80-84 years: 54.9%, 90 years and older: 44.4%). Greater two-year stability was observed for contextual compared to individual criteria. Notably, positive effects of context on SA were stronger at onset compared to late fourth age. Our findings support a contextualized understanding of SA and inform policy that furthering SA in the fourth age requires the optimization of multiple contexts at the community level.