Opin vísindi

Fletta eftir efnisorði "Aging"

Fletta eftir efnisorði "Aging"

Röðun: Raða: Niðurstöður:

  • Icon
    Age, Sex, Body Mass Index, Diet and Menopause Related Metabolites in a Large Homogeneous Alpine Cohort 
    Hernandes, Vinicius Verri; Dordevic, Nikola; Hantikainen, Essi Marjatta; Sigurðsson, Baldur Bragi; Smárason, Sigurður Vidir; Garcia-Larsen, Vanessa; Gögele, Martin; Caprioli, Giulia; Bozzolan, Ilaria; Pramstaller, Peter P.; Rainer, Johannes (2022-02-24)
    Metabolomics in human serum samples provide a snapshot of the current metabolic state of an individuum. Metabolite concentrations are influenced by both genetic and environmental factors. Concentrations of certain metabolites can further depend on age, ...
  • Icon
    Cognition and brain health among older adults in Iceland : the AGES-Reykjavik study 
    Valsdóttir, Vaka; Magnúsdóttir, Brynja Björk; Chang, Milan; Sigurdsson, Sigurdur; Guðnason, Vilmundur G; Launer, Lenore J.; Jónsdóttir, María Kristín (2022-12)
    The paper aimed to compare how factors previously identified as predictive factors for cognitive decline and dementia related to cognitive performance on the one hand and brain health on the other. To that aim, multiple linear regression was applied ...
  • Icon
    Comparative study of machine learning methods for modeling associations between risk factors and future dementia cases 
    Valsdóttir, Vaka; Jónsdóttir, María Kristín; Magnúsdóttir, Brynja Björk; Chang, Milan; Hu, Yi Han; Gudnason, Vilmundur; Launer, Lenore J.; Stefánsson, Hlynur (2024-02)
    A substantial portion of dementia risk can be attributed to modifiable risk factors that can be affected by lifestyle changes. Identifying the contributors to dementia risk could prove valuable. Recently, machine learning methods have been increasingly ...
  • Icon
    Comparison of summer and winter objectively measured physical activity and sedentary behavior in older adults: Age, gene/environment susceptibility Reykjavik study 
    Arnardóttir, Nanna Ýr; Oskarsdottir, Nina Dora; Brychta, Robert J.; Koster, Annemarie; Van Domelen, Dane R.; Caserotti, Paolo; Eiriksdottir, Gudny; Sverrisdottir, Johanna E.; Johannsson, Erlingur; Launer, Lenore J.; Guðnason, Vilmundur G; Harris, Tamara B.; Chen, Kong Y.; Sveinsson, Þórarinn (2017-10-21)
    In Iceland, there is a large variation in daylight between summer and winter. The aim of the study was to identify how this large variation influences physical activity (PA) and sedentary behavior (SB). Free living PA was measured by a waist-worn ...
  • Icon
    Determinants of physical function in community dwelling old people 
    Geirsdottir, Olöf G.; Chang, Milan; Briem, Kristin; Jonsson, Pálmi V.; Thorsdottir, Inga; Ramel, Alfonso (2022-03)
    Background. Poor physical function is associated with disability and mortality in old people. Objectives. The aim was to find determinants of physical function in old people. Design. Secondary, cross-sectional analysis. Setting. Community in the ...
  • Icon
    The importance of different frailty domains in a population based sample in England 
    Arnadottir, Solveig A.; Bruce, Julie; Lall, Ranjit; Withers, Emma J.; Underwood, Martin; Shaw, Fiona; Sheridan, Ray; Hossain, Anower; Lamb, Sarah E.; Martin, Finbarr; Yardley, Lucy; Skelton, Dawn; Willett, Keith; Eldridge, Sandra; Slowther, Anne Marie; Duggan, Sarah; Bruce, Julie; Hennings, Susie; Withers, Emma; Mant, Rhys; Rai, Rishpal; Turner, Craig; Andrews, Agata; Fearn, Rachael; Finnegan, Susanne; Walker, Nicola; Potter, Rachel; Lall, Ranjit; Hulme, Claire; Bojke, Chris; Longo, Roberta; Finnegan, Susanne; Westacott, Katherine; Ralhan, Shvaita; Sheridan, Ray; Treml, Jonathan; Sheridan, Ray; Riglin, Jackie; Gordjin, Harm; Dutta, Ruma; Burns, Jo; Treml, Jonathan; Shaw, Fiona; Davison, John; Willis, Ade; Muthiah, Chocks; Adjei, Henry (2020-01-15)
    Background: The aim was to estimate the prevalence of frailty and relative contribution of physical/balance, nutritive, cognitive and sensory frailty to important adverse health states (falls, physical activity levels, outdoor mobility, problems in ...
  • Icon
    Influence of day length and physical activity on sleep patterns in older Icelandic men and women 
    Brychta, Robert J.; Arnardottir, Nanna Yr; Johannsson, Erlingur; Wright, Elizabeth C.; Eiriksdottir, Gudny; Gudnason, Vilmundur; Marinac, Catherine R.; Davis, Megan; Koster, Annemarie; Caserotti, Paolo; Sveinsson, Thorarinn; Harris, Tamara; Chen, Kong Y. (2016-02-15)
    Study Objectives: To identify cross-sectional and seasonal patterns of sleep and physical activity (PA) in community-dwelling, older Icelandic adults using accelerometers. Methods: A seven-day free-living protocol of 244 (110 female) adults aged 79.7 ...
  • Icon
    Phenotypic Displays of Cholinergic Enzymes Associate With Markers of Inflammation, Neurofibrillary Tangles, and Neurodegeneration in Pre- and Early Symptomatic Dementia Subjects 
    Teitsdottir, U.D.; Darreh-Shori, T.; Lund, S.H.; Jonsdottir, M.K.; Snaedal, J.; Petersen, P.H. (2022-05-26)
    Background: Cholinergic drugs are the most commonly used drugs for the treatment of Alzheimer's disease (AD). Therefore, a better understanding of the cholinergic system and its relation to both AD-related biomarkers and cognitive functions is of high ...
  • Icon
    Resilience among older adults living at home : Urban-rural difference in a population-based study 
    Sigurðardóttir, Árún Kristín; Steingrimsson, Jon A.; Kristófersson, Gísli Kort; Gunnarsdóttir, Elín Díanna (2022-12)
    Objective. We examined how individual and contextual factors affect resilience in community-dwelling older adults living in urban or rural areas in Northern Iceland. Methods. A cross-sectional study, conducted from 2017–2018, ran-domly sampled ...