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Allostatic load

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https://www.readbyqxmd.com/read/28190951/allostatic-load-as-a-complex-clinical-construct-a-case-based-computational-modeling-approach
#1
J Galen Buckwalter, Brian Castellani, Bruce McEwen, Arun S Karlamangla, Albert A Rizzo, Bruce John, Kyle O'Donnell, Teresa Seeman
Allostatic load (AL) is a complex clinical construct, providing a unique window into the cumulative impact of stress. However, due to its inherent complexity, AL presents two major measurement challenges to conventional statistical modeling (the field's dominant methodology): it is comprised of a complex causal network of bioallostatic systems, represented by an even larger set of dynamic biomarkers; and, it is situated within a web of antecedent socioecological systems, linking AL to differences in health outcomes and disparities...
September 2016: Complexity
https://www.readbyqxmd.com/read/28182450/in-risky-environments-emotional-children-have-more-behavioral-problems-but-lower-allostatic-load
#2
Nadya Dich, Stacey N Doan, Gary W Evans
OBJECTIVE: Developmental models of temperament by environment interactions predict that children's negative emotionality exacerbates the detrimental effects of risky environments, increasing the risk for pathology. However, negative emotions may have an adaptive function. Accordingly, the present study explores an alternative hypothesis that in the context of high adversity, negative emotionality may be a manifestation of an adaptive coping style and thus be protective against the harmful effects of a stressful environment...
February 9, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28177541/allostatic-load-a-useful-concept-for-advancing-nursing-research
#3
Marie-Anne S Rosemberg, Yang Li, Julia Seng
AIMS AND OBJECTIVES: To elucidate the historical development of the allostatic load concept, alongside its use in nursing research, and to explore how allostatic load has been investigated among two stress-vulnerable populations. BACKGROUND: "Stress" is a prominent term in understanding the development of disease. Allostatic load is among several approaches undertaken to quantify the magnitude of stress and understand how stress can affect health. METHOD: We explored the advent of allostatic load including its antecedents, and consequences...
February 8, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28164809/an-introduction-to-primary-care-in-underserved-populations-definitions-scope-and-challenges
#4
REVIEW
Vincent Morelli
This article addresses the scope of the problem primary care physicians face when caring for the underserved, both nationally and internationally. It touches on the statistics used to define medically underserved communities, the pervasiveness of poverty, and how primary care physician shortages may soon reach a crisis point. The definitions of socioeconomic status, allostatic load, and structural violence are also reviewed.
March 2017: Primary Care
https://www.readbyqxmd.com/read/28160113/multidimensional-predictors-of-physical-frailty-in-older-people-identifying-how-and-for-whom-they-exert-their-effects
#5
Yew Y Ding, Jouni Kuha, Michael Murphy
Physical frailty in older people is an escalating health and social challenge. We investigate its physical, psychological, and social predictors, including how and for whom these conditions exert their effects. For 4638 respondents aged 65-89 years from wave 2 of the English Longitudinal Study of Ageing, we examine prediction of future physical frailty by physical, psychological, and social conditions using latent growth curve analysis with multiple indicators. In addition, we explore their indirect effects through disease and physiologic decline, and repeat these analyses after stratification by gender, age group, and selected conditions which are possible moderators...
February 3, 2017: Biogerontology
https://www.readbyqxmd.com/read/28139536/exploring-the-bio-behavioural-link-between-stress-allostatic-load-micronutrient-status-a-cross-sectional-study-among-adolescent-boys
#6
Little Flower Augustine, Krishnapillai Madhavan Nair, Sylvia Fernandez Rao, Mendu Vishnu Vardhana Rao, Punjal Ravinder, Avula Laxmaiah
BACKGROUND & OBJECTIVES: Allostatic load (AL) is a cumulative measure of physiological deregulation and is influenced by multiple factors including nutrition. The objectives of the study were to assess AL among adolescent boys (15-19 yr) and delineate its association with psychological stress and micronutrient status. METHODS: A cross-sectional, school-based study was conducted among 370 adolescent boys of five higher secondary schools from Hyderabad, India. Perceived stress, adolescent life event stress (ALES), psychological morbidity and coping were measured...
September 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28120286/adverse-perinatal-outcomes-and-postpartum-multi-systemic-dysregulation-adding-vitamin-d-deficiency-to-the-allostatic-load-index
#7
Eynav Elgavish Accortt, James Mirocha, Christine Dunkel Schetter, Calvin J Hobel
Background Allostatic load (AL) is an index of multi-system physiological "wear-and-tear," operationalizing emergent chronic disease risk and predicting morbidity and mortality. AL has been proposed as an organizing framework for studying pregnancy outcomes and additional AL biomarkers for the study of maternal health would be valuable. Objectives To test whether adverse perinatal outcomes are associated with postpartum AL and if including vitamin D deficiency (serum 25(OH)D < 20 ng/ml) as an additional marker of postpartum AL increases the association...
January 24, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28110240/lead-exposure-is-related-to-hypercortisolemic-profiles-and-allostatic-load-in-brazilian-older-adults
#8
Juliana N Souza-Talarico, Deborah Suchecki, Robert-Paul Juster, Pierrich Plusquellec, Fernando Barbosa Junior, Vinícius Bunscheit, Tania Marcourakis, Tatiane Martins de Matos, Sonia J Lupien
Lead levels (Pb) have been linked to both hyper- and hypo-reactivity of hypothalamic-pituitary-adrenal axis (HPA) axis to acute stress in animals and humans. Similarly, allostatic load (AL), the 'wear and tear' of chronic stress, is associated with inadequate HPA axis activity. We examined whether Pb levels would be associated with altered diurnal cortisol profile, as a primary mediator of AL, during aging. Pb levels were measured from blood samples (BPb) of 126 Brazilian individuals (105 women), between 50 and 82 years old...
January 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28105719/allostatic-load-and-biological-anthropology
#9
Ashley N Edes, Douglas E Crews
Multiple stressors affect developing and adult organisms, thereby partly structuring their phenotypes. Determining how stressors influence health, well-being, and longevity in human and nonhuman primate populations are major foci within biological anthropology. Although much effort has been devoted to examining responses to multiple environmental and sociocultural stressors, no holistic metric to measure stress-related physiological dysfunction has been widely applied within biological anthropology. Researchers from disciplines outside anthropology are using allostatic load indices (ALIs) to estimate such dysregulation and examine life-long outcomes of stressor exposures, including morbidity and mortality...
January 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28069459/stress-coping-style-does-not-determine-social-status-but-influences-the-consequences-of-social-subordination-stress
#10
Gretha J Boersma, Michael D Smeltzer, Karen A Scott, Anton J Scheurink, Kellie L Tamashiro, Randall R Sakai
Chronic stress exposure may have negative consequences for health. One of the most common sources of chronic stress is stress associated with social interaction. In rodents, the effects of social stress can be studied in a naturalistic way using the visual burrow system (VBS). The way an individual copes with stress, their "stress coping style", may influence the consequences of social stress. In the current study we tested the hypothesis that stress coping style may modulate social status and influence the consequences of having a lower social status...
January 6, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28045308/everyday-unfair-treatment-and-multisystem-biological-dysregulation-in-african-american-adults
#11
Anthony D Ong, David R Williams, Ujuonu Nwizu, Tara L Gruenewald
OBJECTIVE: Increasing evidence suggests that chronic exposure to unfair treatment or day-to-day discrimination increases risk for poor health, but data on biological stress mechanisms are limited. This study examined chronic experiences of unfair treatment in relation to allostatic load (AL), a multisystem index of biological dysregulation. METHOD: Data are from a sample of 233 African-American adults (37-85 years; 64% women). Perceptions of everyday unfair treatment were measured by questionnaire...
January 2017: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/28027496/allostatic-load-and-reduced-cortical-thickness-in-schizophrenia
#12
Joshua Chiappelli, Peter Kochunov, Anya Savransky, Feven Fisseha, Krista Wisner, Xiaoming Du, Laura M Rowland, L Elliot Hong
Structural imaging studies have consistently found reduced gray matter thickness of the cerebral cortex in schizophrenia, a finding that is evident in first episode psychosis and may be progressive in some cases. Although genetic predisposition and medication effects may contribute to cortical thinning, we hypothesize that the cumulative effects of stress may represent an environmental factor impacting brain morphology in schizophrenia. We examined the relationship between allostatic load, an index of peripheral biomarkers representing the cumulative effects of stress, and cortical thickness...
November 24, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28008558/erratum-to-perceived-weight-discrimination-and-10-year-risk-of-allostatic-load-among-us-adults
#13
Maya Vadiveloo, Josiemer Mattei
No abstract text is available yet for this article.
December 22, 2016: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/27988258/allostatic-load-and-pain-severity-in-older-adults-results-from-the-english-longitudinal-study-of-ageing
#14
Kimberly T Sibille, John McBeth, Diane Smith, Ross Wilkie
Pain is common in older adults, is frequently experienced as stressful, and is associated with increased morbidity and mortality. Stress regulatory systems are adaptive to challenge and change, allostasis, until demands exceed the adaptive capacity contributing to dysregulation, resulting in a high allostatic load. A high allostatic load is associated with increased risk of morbidity and mortality. Pain severity, based on the average intensity of frequent pain, was hypothesized to be positively associated with AL...
February 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/27979836/longitudinal-study-of-cardiometabolic-risk-from-early-adolescence-to-early-adulthood-in-an-ethnically-diverse-cohort
#15
Seeromanie Harding, Maria João Silva, Oarabile R Molaodi, Zinat E Enayat, Aidan Cassidy, Alexis Karamanos, Ursula M Read, J Kennedy Cruickshank
OBJECTIVE: To examine influences of adiposity from early adolescence to early 20s on cardiovascular disease (CVD) risk in the multiethnic Determinants of young Adult Social well-being and Health (DASH) longitudinal study. METHODS: In 2002-2003, 6643 11-13-year-olds from 51 London schools participated at baseline, and 4785 were seen again at 14-16 years. Recently, 665 (97% of invited) participated in pilot follow-up at 21-23 years, with biological and psychosocial measures and blood biomarkers (only at 21-23 years)...
December 14, 2016: BMJ Open
https://www.readbyqxmd.com/read/27956615/childhood-poverty-and-adult-psychological-well-being
#16
Gary W Evans
Childhood disadvantage has repeatedly been linked to adult physical morbidity and mortality. We show in a prospective, longitudinal design that childhood poverty predicts multimethodological indices of adult (24 y of age) psychological well-being while holding constant similar childhood outcomes assessed at age 9. Adults from low-income families manifest more allostatic load, an index of chronic physiological stress, higher levels of externalizing symptoms (e.g., aggression) but not internalizing symptoms (e...
December 27, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27951526/long-term-health-outcomes-after-exposure-to-repeated-concussion-in-elite-level-rugby-union-players
#17
T M McMillan, P McSkimming, J Wainman-Lefley, L M Maclean, J Hay, A McConnachie, W Stewart
BACKGROUND: There is continuing concern about effects of concussion in athletes, including risk of the neurodegenerative disease chronic traumatic encephalopathy. However, information on long-term health and wellbeing in former athletes is limited. METHOD: Outcome after exposure to repeated brain injury was investigated in 52 retired male Scottish international rugby players (RIRP) and 29 male controls who were similar in age and social deprivation. Assessment included history of playing rugby and traumatic brain injury, general and mental health, life stress, concussion symptoms, cognitive function, disability and markers of chronic stress (allostatic load)...
October 7, 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/27933289/the-association-between-stress-measured-by-allostatic-load-score-and-physiologic-dysregulation-in-african-immigrants-the-africans-in-america-study
#18
Brianna A Bingham, Michelle T Duong, Madia Ricks, Lilian S Mabundo, Rafeal L Baker, Jean N Utumatwishima, Margaret Udahogora, David Berrigan, Anne E Sumner
INTRODUCTION: Allostatic load score (ALS) summarizes the physiological effect of stress on cardiovascular, metabolic and immune systems. As immigration is stressful, ALS could be affected. OBJECTIVE: Associations between age of immigration, reason for immigration, and unhealthy assimilation behavior and ALS were determined in 238 African immigrants to the United States (age 40 ± 10, mean ± SD, range 21-64 years). METHODS: ALS was calculated using 10 variables from three domains; cardiovascular (SBP, DBP, cholesterol, triglyceride, homocysteine), metabolic [BMI, A1C, albumin, estimated glomerular filtration rate (eGFR)], and immunological [high-sensitivity C-reactive protein (hsCRP)]...
2016: Frontiers in Public Health
https://www.readbyqxmd.com/read/27901290/early-life-trauma-post-traumatic-stress-disorder-and-allostatic-load-in-a-sample-of-american-indian-adults
#19
Zaneta Thayer, Celestina Barbosa-Leiker, Michael McDonell, Lonnie Nelson, Dedra Buchwald, Spero Manson
OBJECTIVES: Among American Indians, prior research has found associations between early life trauma and the development of post-traumatic stress disorder (PTSD) in adulthood. Given the physiological changes associated with PTSD, early life trauma could indirectly contribute to chronic disease risk. However, the impact of early life trauma on adult physical health in this population has not been previously investigated. METHODS: We evaluated associations among early life trauma, PTSD, and 13 physiological biomarkers that index cardiovascular, metabolic, neuroendocrine, anthropometric, and immune function in adulthood by conducting correlation and structural equation modeling path analyses (N = 197)...
November 30, 2016: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/27888772/adrenocortical-sensitivity-moderated-by-ongoing-stress-predicts-drinking-intensity-in-alcohol-dependent-men
#20
Bryon Adinoff, David Leonard, Julianne Price, Martin A Javors, Robrina Walker, E Sherwood Brown, Hong Xiao, Uma Rao
Allostatic load from both environmental stressors and persistent glucocorticoid secretion has been associated with disease severity in alcohol dependence. Heightened relapse risk and/or drinking severity, in particular, may be a reaction to alcohol- and withdrawal-induced changes in physiological stress response systems coupled with ongoing life stress, although their shared contributions upon drinking severity have not been assessed. To investigate the combined contribution of hypothalamic-pituitary-adrenal (HPA) reactivity and environmental stressors (e...
February 2017: Psychoneuroendocrinology
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