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Loneliness, Depression, and Genetics in the Elderly: Prognostic Factors of a Worse Health Condition?

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  • María Luisa Delgado-Losada

    (Experimental Psychology, Cognitive Processes and Speech Therapy Department, Faculty of Psychology, Complutense University of Madrid, 28223 Pozuelo de Alarcón, Spain
    Group of Neurosciences: Psychoneuroendocrinology, Neuroimaging and Molecular Genetics in Neuropsychiatric Diseases, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico de Madrid, 28040 Madrid, Spain
    UCM Research Group: VALORNUT-920030, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain)

  • Jaime Bouhaben

    (Experimental Psychology, Cognitive Processes and Speech Therapy Department, Faculty of Psychology, Complutense University of Madrid, 28223 Pozuelo de Alarcón, Spain)

  • Eduardo Arroyo-Pardo

    (Laboratory of Forensic and Population Genetics, Legal Medicine, Psychiatry and Pathology Department, Medicine School, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
    Group of Forensic Sciences: Forensic Genetics and Toxicology, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico de Madrid, 28040 Madrid, Spain)

  • Aránzazu Aparicio

    (Group of Neurosciences: Psychoneuroendocrinology, Neuroimaging and Molecular Genetics in Neuropsychiatric Diseases, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico de Madrid, 28040 Madrid, Spain
    UCM Research Group: VALORNUT-920030, Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
    Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain)

  • Ana María López-Parra

    (Laboratory of Forensic and Population Genetics, Legal Medicine, Psychiatry and Pathology Department, Medicine School, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
    Group of Forensic Sciences: Forensic Genetics and Toxicology, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico de Madrid, 28040 Madrid, Spain)

Abstract

Loneliness is considered a prognostic factor for poorer health status in the elderly. It is proposed to analyze the role of loneliness in health status in terms of various factors. A total of 1747 individuals from the pilot survey of the Aging in Spain Longitudinal Study (ELES-PS) were reviewed. ELES is a cross-sectional study for collecting health variables, food habits, socioeconomic data, and cognitive and functional capacities, which was carried out on a Spanish representative sample of noninstitutionalized persons of 50 years of age or older. Moreover, since telomere shortening is associated with cellular senescence, 35 telomere-related SNPs and cognitive impairments were analyzed. The results characterize the “solos” as males of 50–60 years, who were overweight and had lower levels of hemoglobin and neutrophils. There is also an association between five SNPs related to telomere length and BDNF. A group of people with loneliness and depression was identified with poorer health and cognitive status, poorer perception of their quality of life, poorer quality of sleep, and lower physical activity. Therefore, it follows that telomeres and BDNF play a role as intermediaries between loneliness and depression and their relationship with a worse state of health.

Suggested Citation

  • María Luisa Delgado-Losada & Jaime Bouhaben & Eduardo Arroyo-Pardo & Aránzazu Aparicio & Ana María López-Parra, 2022. "Loneliness, Depression, and Genetics in the Elderly: Prognostic Factors of a Worse Health Condition?," IJERPH, MDPI, vol. 19(23), pages 1-29, November.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:23:p:15456-:d:980443
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    References listed on IDEAS

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    3. Marengoni, A. & Winblad, B. & Karp, A. & Fratiglioni, L., 2008. "Prevalence of chronic diseases and multimorbidity among the elderly population in Sweden," American Journal of Public Health, American Public Health Association, vol. 98(7), pages 1198-1200.
    4. Wei Huang & Xiaoyan Lei & Geert Ridder & John Strauss & Yaohui Zhao, 2013. "Health, Height, Height Shrinkage, and SES at Older Ages: Evidence from China," American Economic Journal: Applied Economics, American Economic Association, vol. 5(2), pages 86-121, April.
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