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Search Results (3,358)

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Keywords = the older adult population

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15 pages, 281 KB  
Article
Gastrointestinal Diagnostic Coding After Spinal Cord Injury: Health Behavior Correlates and Implications for Neurogenic Bowel Management in a Nationwide Claim-Based Cohort
by Young-Hwan Lim, Jae-Hyeong Yoo, Jeong-Won Park, Jong-Moon Hwang, Dongwoo Kang, Jungkuk Lee, Hyun Wook Han, Kyung-Tae Kim, Myung-Gwan Kim and Tae-Du Jung
J. Clin. Med. 2026, 15(2), 760; https://doi.org/10.3390/jcm15020760 (registering DOI) - 16 Jan 2026
Abstract
Background: Neurogenic bowel dysfunction (NBD) is a major chronic sequela of spinal cord injury (SCI) with substantial implications for rehabilitation and long-term management. However, population-level evidence describing how gastrointestinal (GI) diagnostic codes are used following SCI, particularly within administrative healthcare systems, remains [...] Read more.
Background: Neurogenic bowel dysfunction (NBD) is a major chronic sequela of spinal cord injury (SCI) with substantial implications for rehabilitation and long-term management. However, population-level evidence describing how gastrointestinal (GI) diagnostic codes are used following SCI, particularly within administrative healthcare systems, remains limited. Methods: We conducted a nationwide retrospective cohort study using administrative claims data from the Korean National Health Insurance Service (NHIS). A total of 584,266 adults with trauma-related SCI encounters between 2009 and 2019 were identified. GI diagnostic codes—paralytic ileus (K56), irritable bowel syndrome (K58), and functional bowel disorders (K59)—were evaluated as administrative proxies for bowel dysfunction. Demographic characteristics, disability status, regional factors, and health behaviors were analyzed using multivariable logistic regression. Results: GI diagnostic codes were frequently recorded after SCI, most commonly irritable bowel syndrome (approximately 30%) and functional bowel disorders (approximately 37%), whereas paralytic ileus was uncommon. Greater disability severity, female sex, older age, and rural residence were consistently associated with higher odds of GI diagnostic coding. Physical activity showed robust inverse associations across all models. Inverse associations observed with smoking and alcohol consumption were interpreted as reflecting residual confounding or health-related selection, rather than biological protective effects. Conclusions: Patterns of GI diagnostic coding after SCI likely reflect the clinical burden and management needs of neurogenic bowel dysfunction within healthcare systems, rather than the development of new gastrointestinal diseases. These findings underscore the importance of individualized bowel management, incorporation of structured physical activity into rehabilitation programs, and equitable access to SCI rehabilitation services, particularly for individuals with greater disability or those living in rural areas. Full article
15 pages, 556 KB  
Review
Core Competencies of the Modern Geriatric Cardiologist: A Framework for Comprehensive Cardiovascular Care in Older Adults
by Rémi Esser, Alejandro Mondragon, Marine Larbaneix, Marlène Esteban, Christine Farges, Sophie Nisse Durgeat, Olivier Maurou and Marc Harboun
J. Clin. Med. 2026, 15(2), 749; https://doi.org/10.3390/jcm15020749 - 16 Jan 2026
Abstract
Background: The rapid ageing of the cardiovascular population has profoundly transformed clinical practice, with an increasing proportion of patients presenting advanced age, frailty, multimorbidity, and functional vulnerability. Conventional cardiology models, largely derived from younger and selected populations, often fail to adequately address [...] Read more.
Background: The rapid ageing of the cardiovascular population has profoundly transformed clinical practice, with an increasing proportion of patients presenting advanced age, frailty, multimorbidity, and functional vulnerability. Conventional cardiology models, largely derived from younger and selected populations, often fail to adequately address the complexity of cardiovascular care in older adults. Despite the growing development of cardiogeriatrics, the core competencies required for contemporary geriatric cardiology practice remain insufficiently defined. Methods: This narrative review synthesises evidence from cardiology, geriatrics, heart failure, and the palliative care literature, complemented by clinical expertise in integrated cardiogeriatric care pathways, to identify key competencies relevant to the care of older adults with cardiovascular disease. Results: Four major domains of geriatric cardiology competencies were identified: (1) advanced cardiovascular expertise adapted to ageing physiology, frailty, and multimorbidity; (2) integration of comprehensive geriatric assessment into cardiovascular decision-making; (3) a dedicated cardiogeriatric communication mindset supporting shared decision-making under prognostic uncertainty; and (4) system-based competencies focused on multidisciplinary coordination, care transitions, and therapeutic proportionality. Conclusions: Defining the core competencies of the geriatric cardiologist is essential to addressing the clinical and organisational challenges of an ageing cardiovascular population. This framework provides a pragmatic foundation for clinical practice, education, and future research, supporting integrated cardiogeriatric care models aligned with patient-centred outcomes. Full article
(This article belongs to the Special Issue Geriatric Cardiology: Clinical Advances and Comprehensive Management)
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12 pages, 984 KB  
Article
Evaluating Comorbidity Scores in Geriatric Ovarian Cancer: A Retrospective Cohort Analysis
by Simay Cokgezer, Naziye Ak, Muhammet Senkal, Aysel Safaraliyeva, Didem Tastekin and Pınar Mualla Saip
Medicina 2026, 62(1), 189; https://doi.org/10.3390/medicina62010189 - 16 Jan 2026
Abstract
Background and Objectives: This study aimed to comparatively evaluate the association of commonly used comorbidity scores with survival, mortality, and recurrence in ovarian cancer patients aged 50 years and above. Materials and Methods: In this single-center, retrospective study, 130 female patients diagnosed between [...] Read more.
Background and Objectives: This study aimed to comparatively evaluate the association of commonly used comorbidity scores with survival, mortality, and recurrence in ovarian cancer patients aged 50 years and above. Materials and Methods: In this single-center, retrospective study, 130 female patients diagnosed between 2017 and 2024 who had received systemic therapy and had complete medical records were included. Comorbidity scores—including the Charlson Comorbidity Index (CCI), Cumulative Illness Rating Scale-Geriatric (CIRS-G), Adult Comorbidity Evaluation-27 (ACE-27), Elixhauser Comorbidity Index, Index of Coexistent Disease (ICED), and Functional Comorbidity Index (FCI)—were calculated for each patient. Survival analyses were conducted using the Kaplan–Meier method and Cox regression modeling. The prognostic accuracy of comorbidity scores was assessed via receiver operating characteristic (ROC) curve analysis. Results: Patients with higher CCI scores had significantly shorter survival, and CCI was identified as an independent prognostic factor in multivariate analysis. While other comorbidity scores were associated with overall survival in univariate analyses, they lost statistical significance in multivariate models. Patients with a higher comorbidity burden experienced more frequent disease recurrence and shorter time to recurrence. Conclusions: Comorbidity burden is a key clinical determinant of survival and disease trajectory in older patients with ovarian cancer. The CCI demonstrated the highest prognostic accuracy in this population and may serve as a valuable tool in individualized treatment planning. Integration of comorbidity-based assessments into standard decision-making processes is recommended in geriatric oncology practice. Full article
(This article belongs to the Section Oncology)
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23 pages, 835 KB  
Review
Prehabilitation in Adult Cancer Patients Undergoing Chemotherapy or Radiotherapy: A Scoping Review
by Dylan Kwan, Wesley Kwan, Anchal Badwal, Tuti Puol, Justin Zou Deng, Raymond Wang, Saad Ahmed, Alexandria Mansfield, Rouhi Fazelzad and Jennifer Jones
Cancers 2026, 18(2), 286; https://doi.org/10.3390/cancers18020286 - 16 Jan 2026
Abstract
Purpose: The effectiveness and feasibility of cancer prehabilitation have been well-validated in surgical settings, but its role in non-surgical treatments, such as chemotherapy and radiotherapy (RT), remains unclear. This scoping review aims to systematically explore the existing literature on prehabilitation programs for [...] Read more.
Purpose: The effectiveness and feasibility of cancer prehabilitation have been well-validated in surgical settings, but its role in non-surgical treatments, such as chemotherapy and radiotherapy (RT), remains unclear. This scoping review aims to systematically explore the existing literature on prehabilitation programs for non-surgical cancer treatments. Methods: Following the scoping review methodology developed by the Joanna Briggs Institute, seven databases were systematically searched from their inception to October 2024 for peer-reviewed studies involving prehabilitation prior to non-surgical treatment. Data were extracted and reported adhering to PRISMA-ScR guidelines, using a convergent synthesis design to present qualitative and quantitative evidence. No formal risk-of-bias or quality appraisal was conducted. Results: Of 22,122 studies, 39 met the inclusion criteria, yielding a combined sample of 6073 patients and thirty-four unique interventions. Sample sizes ranged from 9 to 1992, with randomized control trials being the most common (16). Head and neck cancer was the most frequently studied, followed by breast, esophageal/gastric, and lung cancer. Of the included interventions, 23 were unimodal and 16 were multimodal. Exercise was the most common component (30), with nutrition (13), psychosocial (10), and educational (8) components also present. Most efficacy studies (84%) reported improved outcomes and nearly all (93%) feasibility studies found prehabilitation acceptable and implementable. Conclusions: This review highlights a growing body of literature examining prehabilitation prior to chemotherapy or RT in adult cancer patients, with studies suggesting potential benefits and feasibility. However, long-term trials, especially in diverse cancers and older populations, remain scarce. Our results provide insight into future implementation, evaluation of outcomes, and directions for future prehabilitation research. Full article
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12 pages, 271 KB  
Article
Assessment of Eating Behavior and Genetic Risk Factors for Metabolic Syndrome
by Ainur Turmanbayeva, Karlygash Sadykova, Gulnaz Nuskabayeva, Ainash Oshibayeva, Ugilzhan Tatykayeva, Yusuf Ozkul, Dinara Azizkhojayeva, Dilbar Aidarbekova, Dinara Nemetova, Dana Kaldarkhan, Bibigul Tastemirova and Kanatzhan Kemelbekov
J. Clin. Med. 2026, 15(2), 739; https://doi.org/10.3390/jcm15020739 - 16 Jan 2026
Abstract
Background: Metabolic syndrome (MetS) is influenced by behavioral and genetic factors, yet evidence on eating behavior patterns and related genetic polymorphisms in Central Asian populations remains limited. Aim: The aim of this study was to assess eating behaviors among adults with and [...] Read more.
Background: Metabolic syndrome (MetS) is influenced by behavioral and genetic factors, yet evidence on eating behavior patterns and related genetic polymorphisms in Central Asian populations remains limited. Aim: The aim of this study was to assess eating behaviors among adults with and without MetS and evaluate their associations with clinical indicators and ADIPOQ rs266729 and MC4R rs17782313 variants. Methods: A cross-sectional study of 200 adults (115 non-MetS, 85 MetS) was conducted using Dutch Eating Behavior Questionnaire (DEBQ), standardized clinical measurements, and PCR-RFLP genotyping. Results: Participants with MetS were older than non-MetS adults (52 vs. 47 years; p = 0.004) and had substantially higher systolic blood pressure (126 vs. 114 mmHg; p < 0.001), diastolic blood pressure (83 vs. 74 mmHg; p < 0.001), and BMI (32.2 vs. 25.9 kg/m2; p < 0.001). Waist circumference, hip circumference, triglycerides, total cholesterol, and LDL were also significantly higher, while HDL was lower (1.13 ± 0.40 vs. 1.58 ± 1.50 mmol/L; p = 0.008). DEBQ restrained, emotional, and external eating scores showed no differences between groups (all p > 0.05). Eating behavior distribution was similar (p = 0.291). ADIPOQ genotypes (CC/CG/GG) did not differ by MetS status (p = 0.227), nor did MC4R variants (p = 0.679). Among MetS participants, clinical indicators did not vary across eating behavior categories, and no associations were observed between eating behavior and either polymorphism. Conclusions: Despite clear clinical and metabolic differences between MetS and non-MetS groups, neither eating behavior patterns nor ADIPOQ and MC4R variants were associated with metabolic measures among MetS group. Full article
(This article belongs to the Section Endocrinology & Metabolism)
20 pages, 466 KB  
Review
The Impacts of Age-Related Peripheral Hearing Loss, Central Auditory Processing, and Cognition on Quality of Life in Older Adults: A Scoping Review
by Samantha E. Vasquez, Anna J. Bierma and Brian M. Kreisman
J. Ageing Longev. 2026, 6(1), 12; https://doi.org/10.3390/jal6010012 - 16 Jan 2026
Abstract
This scoping review aims to synthesize peer-reviewed literature exploring quality of life (QoL) for individuals with age-related hearing loss (ARHL), age-related central auditory processing (ARCAP) deficits, and age-related cognitive decline. A growing body of research has identified ARHL as a risk factor for [...] Read more.
This scoping review aims to synthesize peer-reviewed literature exploring quality of life (QoL) for individuals with age-related hearing loss (ARHL), age-related central auditory processing (ARCAP) deficits, and age-related cognitive decline. A growing body of research has identified ARHL as a risk factor for the development of dementia, highlighting the connection between the sensory and cognitive systems. As the aging population continues to grow, examining comorbid age-related hearing and cognitive decline is especially relevant. These conditions may have potential negative consequences on the daily functioning, social participation, mental health, and overall wellbeing of older adults. A systematic search of peer-reviewed literature was conducted across multiple databases, adhering to the PRISMA guidelines for scoping reviews. Studies that focused on the impact of ARHL, ARCAP deficits, and/or related cognitive deficits on QoL were included in the present review. Key data extracted included QoL measures categorized into the ICF framework, the effects of hearing loss intervention on QoL, and the impact of ARHL on QoL for aging individuals. This review summarizes the reported effects that ARHL, ARCAP, and/or cognitive decline have on older adults, and discusses the clinical and practical implications for managing clients with these conditions. In addition to preventative measures and deficit management, maintenance of life participation, social engagement, and overall wellbeing should be considered when caring for aging adults with hearing and/or cognitive impairment. Full article
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13 pages, 458 KB  
Article
Associations of Muscle Mass, Strength, and Power with Falls Among Active Community-Dwelling Older Adults
by Priscila Marconcin, Joana Serpa, José Mira, Ana Lúcia Silva, Estela São Martinho, Vânia Loureiro, Margarida Gomes, Petronela Hăisan, Nuno Casanova and Vanessa Santos
Diagnostics 2026, 16(2), 283; https://doi.org/10.3390/diagnostics16020283 - 16 Jan 2026
Abstract
Background/Objectives: Falls are a leading cause of morbidity and mortality in older adults, even among those who are physically active. This study examined the associations between skeletal muscle mass, muscle strength, and muscle power and fall risk in physically active, community-dwelling older [...] Read more.
Background/Objectives: Falls are a leading cause of morbidity and mortality in older adults, even among those who are physically active. This study examined the associations between skeletal muscle mass, muscle strength, and muscle power and fall risk in physically active, community-dwelling older adults. Methods: A cross-sectional analysis was conducted with 280 participants (71.9 ± 5.3 years; 75% women) enrolled in the Stay Up–Falls Prevention Project. Assessments included skeletal muscle mass (anthropometric prediction equation), handgrip strength, lower limb strength and power (Five Times Sit-to-Stand test, 5×STS), and fall history over the past 12 months. Muscle power was calculated from 5×STS performance using the equation proposed by Alcazar and colleagues. Logistic regression models and receiver operating characteristic (ROC) curve analyses were performed. Results: Overall, 26.4% of participants reported at least one fall in the previous year, with a higher prevalence among women (28.9%) than men (18.8%). Fallers showed significantly lower handgrip strength (23.1 vs. 25.4 kg, p = 0.022) and poorer lower limb strength (9.2 vs. 8.7 s, p = 0.007) compared with non-fallers. However, no significant differences were found for skeletal muscle mass or sit-to-stand–derived power. In multivariable models adjusted for age, sex, body mass index, comorbidities, and medications, lower limb strength remained the only independent variable associated with fall status (OR = 1.78, 95% CI: 1.11–2.85, p = 0.016). ROC analysis confirmed fair discriminative capacity for 5×STS performance (AUC = 0.616, p = 0.003), with an optimal cut-off of 8.62 s (sensitivity = 78.4%, specificity = 33.0%). Handgrip strength, muscle mass, and power did not show independent associations with fall status. Conclusions: These findings indicate that the 5×STS test provides a simple, cost-effective, and functional indicator for fall-risk stratification in physically active older adults. Clinicians should consider the 5×STS as a sensitive functional indicator that contributes to fall risk stratification, ideally combined with complementary assessments (e.g., balance, gait, cognition) to improve risk stratification and guide preventive interventions in ageing populations. Full article
(This article belongs to the Special Issue Risk Factors for Frailty in Older Adults: Second Edition)
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22 pages, 626 KB  
Article
Built Environment and Elderly Safety Risks in Old Residential Communities Under Urban Renewal
by Ziying Wen, Caimiao Zheng, Jian Li Hao and Shiwang Yu
Urban Sci. 2026, 10(1), 54; https://doi.org/10.3390/urbansci10010054 - 15 Jan 2026
Abstract
With China’s rapidly aging population, enhancing the safety and age-friendliness of existing residential communities has become a pressing need in the context of urban renewal. Based on empirical analysis of 146 questionnaires collected from aging communities in Jiangsu Province, this study examines how [...] Read more.
With China’s rapidly aging population, enhancing the safety and age-friendliness of existing residential communities has become a pressing need in the context of urban renewal. Based on empirical analysis of 146 questionnaires collected from aging communities in Jiangsu Province, this study examines how built environment factors influence safety risks and perceived security among older adults. The results show that public seating (F3), pedestrian pathways (F11), staircases (F1), lighting (F5), landscaping (F10), and outdoor animals (F12) significantly affect both actual safety risks and perceived safety. Insufficient lighting, uneven pathways, unstable seating, and unsafe staircases are the primary causes of falls, collisions, and abrasions, while issues such as standing water, overgrown vegetation, and stray animals further reduce residents’ sense of security. The findings indicate that improving elderly safety relies more on environmental visibility, accessibility, and spatial maintenance than on compensating for individual physical limitations. Therefore, interventions such as enhancing lighting, maintaining pedestrian routes, providing stable seating, and strengthening community management can effectively reduce risks and enhance perceived security. This study offers empirical evidence to guide age-friendly community renewal and provides policy insights for promoting safe, inclusive, and sustainable development in aging cities. Full article
(This article belongs to the Section Urban Governance for Health and Well-Being)
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11 pages, 2094 KB  
Article
Evaluating the Feasibility of Electronic Patient-Reported Outcomes for a Population Receiving Specific Health Checkups: A Pilot Study
by Hiroshi Yano, Naoki Hosogaya, Shotaro Ide, Rina Kawasaki, Tokuma Tadami, Masatoshi Ide and Kenta Murotani
Healthcare 2026, 14(2), 218; https://doi.org/10.3390/healthcare14020218 - 15 Jan 2026
Abstract
Background: In recent years, electronic patient-reported outcome (ePRO) systems on electronic devices, such as smartphones, have been employed to collect patients’ self-assessments and symptom reports. However, these studies were limited to younger populations and patients with severe diseases. Objective: This study [...] Read more.
Background: In recent years, electronic patient-reported outcome (ePRO) systems on electronic devices, such as smartphones, have been employed to collect patients’ self-assessments and symptom reports. However, these studies were limited to younger populations and patients with severe diseases. Objective: This study aimed to evaluate the ease of use and response continuity of an ePRO system used by healthy middle-aged and older adults. Methods: This prospective observational study included participants aged 40–74 years undergoing specific health checkups. The System Usability Scale (SUS) was used to assess ePRO usability. Response continuity was evaluated by assessing EuroQol 5-Dimensional 5-Level responses once a month for up to 3 months after the health checkup date. Results: Eleven participants, aged 47–73 years, participated in the study. The mean SUS on the screening date was 59.1 (95% CI: 50.0–68.1; a cut-off of 70 indicated “useful”). However, only one participant failed to complete the ePRO at one and two months post-examination, and responses were obtained from all participants at three months. Conclusions: Due to the small sample size, usability as measured by the SUS should be interpreted descriptively. While initial onboarding appeared to be a major implementation barrier, sustained monthly ePRO reporting over 3 months was achievable among participants who completed registration with support, suggesting the conditional feasibility of response continuity in this preventive health checkup setting. Full article
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17 pages, 1300 KB  
Review
Ageing and Quality of Life in Older Adults: Updates and Perspectives of Psychosocial and Advanced Technological Interventions
by Dinara Sukenova, Dejan Nikolic, Aigulsum Izekenova, Ardak Nurbakyt, Assel Izekenova and Jurate Macijauskiene
Healthcare 2026, 14(2), 217; https://doi.org/10.3390/healthcare14020217 - 15 Jan 2026
Abstract
Expanding longevity, together with a decrease in mortality, leads to an increase in the older population worldwide. In this review, ageing and older adults, as well as psychosocial and advanced technological interventions, will be discussed. Older adults are associated with an increased incidence [...] Read more.
Expanding longevity, together with a decrease in mortality, leads to an increase in the older population worldwide. In this review, ageing and older adults, as well as psychosocial and advanced technological interventions, will be discussed. Older adults are associated with an increased incidence of multimorbidity and disability; thus, they have a higher demand for health services than younger individuals. Challenges in welfare services and inadequate family and community-based care support negatively impact the psychosocial and economic wellbeing of older people. Active ageing and successful ageing are crucial aspects for a better quality of life in this age group, as there is a complex interplay of different domains and disease types that influence quality of life in older adults. Additionally, promoting the social participation of older adults is vital for improving their quality of life. Furthermore, the use of technology in older adults has a positive impact on their quality of life; however, aside from the promotion and implementation of technological interventions, challenges persist at all levels of acceptance and use. A better understanding of these challenges and implementing measures to overcome them will have a significant impact on the technological acceptance of older adults and their use in daily life activities, resulting in more favourable quality of life outcomes. Full article
(This article belongs to the Special Issue Aging and Older Adults’ Healthcare)
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22 pages, 603 KB  
Review
The Muscle–Brain Axis in Aging: Mechanistic and Clinical Perspectives on Resistance Training and Cognitive Function
by Shuyun Yu, Yi Fan, Bochao You, Haoyue Zhang, Zhenghua Cai, Sai Zhang and Haili Tian
Biology 2026, 15(2), 154; https://doi.org/10.3390/biology15020154 - 15 Jan 2026
Abstract
The global aging population has led to a rising prevalence of cognitive impairment, posing a significant public health challenge. Resistance training (RT) is a non-pharmacological intervention that has been increasingly investigated for its potential to support cognitive function in older adults. Clinical evidence [...] Read more.
The global aging population has led to a rising prevalence of cognitive impairment, posing a significant public health challenge. Resistance training (RT) is a non-pharmacological intervention that has been increasingly investigated for its potential to support cognitive function in older adults. Clinical evidence suggests that RT may be associated with benefits in certain cognitive domains, including memory, executive function, processing speed, and visuospatial ability. However, findings across studies remain heterogeneous, with several trials reporting neutral outcomes. Most intervention studies involve structured RT programs conducted at moderate to high intensity and performed multiple times per week. However, optimal training parameters have not yet been clearly established due to variability in study design and the absence of formal dose–response analyses. Emerging evidence suggests that the cognitive effects of RT may be mediated, at least in part, through muscle–brain axis signaling involving exercise-induced myokines. Factors such as irisin, brain-derived neurotrophic factor, interleukin-6, interleukin-15, and insulin-like growth factor-1 have been implicated in processes related to neuroplasticity, neuroinflammatory regulation, and neurovascular function, primarily based on preclinical and translational research. This review synthesizes current evidence on RT-related molecular mechanisms and clinical findings to provide an integrative perspective on the potential role of resistance training in mitigating age-related cognitive decline. Full article
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13 pages, 882 KB  
Article
How Many Teeth Are Needed to Maintain Healthy Oral Function in Older Adults? A Cross-Sectional Analysis
by Ketsupha Suwanarpa, Yoko Hasegawa, Jarin Paphangkorakit, Atthasit Kanwiwatthanakun, Kazuhiro Hori and Takahiro Ono
Prosthesis 2026, 8(1), 10; https://doi.org/10.3390/prosthesis8010010 - 14 Jan 2026
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Abstract
Background/Objectives: Oral function impairment negatively impacts nutrition, health, and quality of life in older adults. While retaining ≥20 natural teeth is often recommended for maintaining oral function, its validity is uncertain, particularly for those who adapt to tooth loss with dentures. This study [...] Read more.
Background/Objectives: Oral function impairment negatively impacts nutrition, health, and quality of life in older adults. While retaining ≥20 natural teeth is often recommended for maintaining oral function, its validity is uncertain, particularly for those who adapt to tooth loss with dentures. This study aimed to determine the minimum number of remaining functional teeth necessary to prevent oral hypofunction in older adults, focusing on two diagnostic criteria: decreased masticatory function and reduced occlusal force. Methods: A total of 154 participants (≥60 years) were included. Oral examination assessed the number of remaining functional teeth. To assess masticatory function, masticatory performance was objectively measured using a visual scoring method of gummy jelly, and occlusal force was quantified with pressure-sensitive film. Pearson’s correlation analyzed relationships among variables, while receiver operating characteristic (ROC) analysis identified optimal tooth number cut-offs for detecting decreased masticatory function (score ≤ 2) and reduced occlusal force (<500 N). Results: Significant positive correlations were found between the number of remaining functional teeth and both masticatory performance (r = 0.591, p < 0.001) and occlusal force (r = 0.453, p < 0.001). ROC indicated that 17 teeth was the optimal threshold for identifying both decreased masticatory performance and reduced occlusal force, with sensitivities of 0.79 and 0.72 and specificities of 0.93 and 0.88, respectively. Conclusions: Retention of 17 or more remaining functional teeth may be sufficient to maintain adequate masticatory performance and occlusal force. These findings serves as a preliminary guide for treatment planning and targeted interventions focused on preserving tooth retention and improving oral function in aging populations. Full article
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19 pages, 2280 KB  
Article
Age- and Genotype-Associated Specific Expression of IL-1 and TNF Receptors on Immunocompetent Cells
by Julia Zhukova, Julia Lopatnikova, Filipp Vasilyev, Alina Alshevskaya, Darya Lipa and Sergey Sennikov
Int. J. Mol. Sci. 2026, 27(2), 807; https://doi.org/10.3390/ijms27020807 - 13 Jan 2026
Viewed by 94
Abstract
Aging is accompanied by a chronic, low-grade inflammatory state known as “inflammaging,” largely driven by dysregulated signaling of pro-inflammatory cytokines like IL-1 and TNF-α. The biological impact of these cytokines is modulated by the expression of their cellular receptors, which is influenced by [...] Read more.
Aging is accompanied by a chronic, low-grade inflammatory state known as “inflammaging,” largely driven by dysregulated signaling of pro-inflammatory cytokines like IL-1 and TNF-α. The biological impact of these cytokines is modulated by the expression of their cellular receptors, which is influenced by genetic polymorphisms. However, the interplay between age, genetic variation, and cell-type-specific receptor expression remains incompletely characterized. This study aimed to determine the relative and absolute expression levels of IL-1 and TNF receptors on major immunocompetent cell populations in healthy donors of different age groups and to assess the influence of receptor gene polymorphisms on this expression. A cohort of 144 healthy donors was stratified into two age clusters using unsupervised clustering: a “young” group (18–31 years, n = 71) and an “older” group (32–59 years, n = 73). Membrane expression of TNFR1, TNFR2, IL-1R1, and IL-1R2 on T-lymphocytes, B-lymphocytes, and monocytes was analyzed by flow cytometry. The analysis included both the percentage of receptor-positive cells and the number of receptors per cell using absolute quantification with calibration beads. Genotyping for eight SNPs in the TNF1, TNFR2, IL1R1, and IL1R2 genes was performed via PCR-RFLP. The most pronounced age-related differences were observed in monocytes, in which the young cohort exhibited a significantly higher percentage of TNFR1- and TNFR2-positive monocytes, as well as a higher number of IL-1R1 receptors. In contrast, T-lymphocytes from the older cluster showed a higher percentage of TNFR2-positive cells. Genetic polymorphisms significantly modulated receptor expression in an age-dependent manner. For example, in the young cluster, polymorphisms primarily affected receptor levels on B-lymphocytes, whereas in the older cluster, the most significant associations were observed in monocytes. This study reveals significant, cell-specific alterations in the IL-1 and TNF receptor landscapes with age, with monocytes being particularly affected. The observed receptor downregulation in older adults is likely to reflect an active process of ligand-induced desensitization driven by chronic inflammation. Furthermore, genetic polymorphisms exert age-dependent effects on receptor expression, highlighting the dynamic interplay between genetics and immunosenescence. These findings provide a foundation for personalized strategies to mitigate inflammaging. Full article
(This article belongs to the Special Issue Molecular Studies in Aging, 2nd Edition)
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14 pages, 1945 KB  
Article
Multiuser Exercise-Based Telerehabilitation Intervention for Older Adults with Frailty: A Pilot Study
by Naoki Yamada, Itsuki Sato, Shoji Kinoshita, Atsushi Muraji, Seiki Tokunaga, Taro Naka and Ryo Okubo
NeuroSci 2026, 7(1), 11; https://doi.org/10.3390/neurosci7010011 - 13 Jan 2026
Viewed by 82
Abstract
Objectives: This pilot study examined telerehabilitation, which has emerged as a crucial modality in light of recent global challenges such as the COVID-19 pandemic. We examined the effectiveness of a mobile health telerehabilitation intervention developed for older adults with frailty. Methods: Six participants [...] Read more.
Objectives: This pilot study examined telerehabilitation, which has emerged as a crucial modality in light of recent global challenges such as the COVID-19 pandemic. We examined the effectiveness of a mobile health telerehabilitation intervention developed for older adults with frailty. Methods: Six participants received a telerehabilitation intervention (Rehab Studio) that included exercise training videos. The participants were aged ≥65 years, had no history of dementia or psychiatric disorders, and had mild-to-moderate care needs. For 1 month, the participants received 1 h live online rehabilitation sessions with real-time communication with rehabilitation specialists (physical therapists and occupational therapists: PTs/OTs). The quality of life (QoL) (EuroQol 5 dimensions 5-level [EQ-5D-5L] questionnaire) and self-rated health scores were recorded before and after the intervention, and the data were analyzed using paired t-tests to determine whether the service was effective. Results: Significant differences were found in the total EQ-5D-5L and self-rated health scores (p < 0.05). The mean EQ-5D-5L score increased from 0.63 ± 0.13 before the intervention to 0.77 ± 0.14 after the intervention (p = 0.010), while the mean self-rated health score increased from 66.0 ± 18.0 to 83.3 ± 10.3, respectively (p = 0.019). Conclusions: This study revealed that the mobile health telerehabilitation intervention is safe and can improve QoL for older adults with frailty. However, the effectiveness of the intervention needs to be further investigated in patients with poor performance in daily living activities. Telerehabilitation could help to reduce the burden of nursing care in aging societies with declining birthrates. However, given the extremely small sample size (N = 6), these p-values should be interpreted with considerable caution. Statistical significance in such a small sample does not provide strong evidence for population-level effects, and our findings should be regarded as hypothesis-generating rather than confirmatory. Full article
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Article
Dietary Patterns and Their Association with Cognitive Function: A Stratified Analysis by Sleep Duration in Japanese Older Adults
by Jinrui Zhang, Meiling Qian, Shuanghong Li, Ruifeng Zhao, Dandan Jiao, Mingyu Cui, Yuko Sawada, Akihiro Kakuda and Tokie Anme
Healthcare 2026, 14(2), 192; https://doi.org/10.3390/healthcare14020192 - 12 Jan 2026
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Abstract
Background/Objective: This study investigated the associations between dietary patterns and subjective cognitive function among older Japanese adults and examined whether these associations differed according to sleep duration. Methods: This longitudinal cohort study was conducted using data from the Community Empowerment and Care study [...] Read more.
Background/Objective: This study investigated the associations between dietary patterns and subjective cognitive function among older Japanese adults and examined whether these associations differed according to sleep duration. Methods: This longitudinal cohort study was conducted using data from the Community Empowerment and Care study (2017–2020). Data were obtained from the Community Empowerment and Care Study of the T-Village, Aichi Prefecture, Japan. Latent class analysis was used to identify dietary patterns based on the intake frequencies of seven food groups. Logistic regression models assessed the associations between dietary patterns and subjective cognitive function stratified by sleep duration (optimal: 7–8 h; unfavorable: <7 or >8 h). Results: Three dietary patterns were identified (diverse, balanced, restricted). Compared with the restricted pattern, the diverse (odds ratio = 0.13, 95% confidence interval: 0.07–0.26; p < 0.0001) and balanced patterns (odds ratio = 0.33, 95% confidence interval: 0.18–0.62; p = 0.0006) were associated with lower odds of poor subjective cognitive function. Associations were broadly similar across sleep groups, and interaction testing was not significant. Conclusions: Dietary quality was associated with better subjective cognitive function, particularly among older adults with unfavorable sleep duration. The study findings underscore the need for integrated lifestyle interventions that target both nutrition and sleep in aging populations. Full article
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