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https://www.readbyqxmd.com/read/27901290/early-life-trauma-post-traumatic-stress-disorder-and-allostatic-load-in-a-sample-of-american-indian-adults
#1
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/27895566/allostatic-self-efficacy-a-metacognitive-theory-of-dyshomeostasis-induced-fatigue-and-depression
#2
Klaas E Stephan, Zina M Manjaly, Christoph D Mathys, Lilian A E Weber, Saee Paliwal, Tim Gard, Marc Tittgemeyer, Stephen M Fleming, Helene Haker, Anil K Seth, Frederike H Petzschner
This paper outlines a hierarchical Bayesian framework for interoception, homeostatic/allostatic control, and meta-cognition that connects fatigue and depression to the experience of chronic dyshomeostasis. Specifically, viewing interoception as the inversion of a generative model of viscerosensory inputs allows for a formal definition of dyshomeostasis (as chronically enhanced surprise about bodily signals, or, equivalently, low evidence for the brain's model of bodily states) and allostasis (as a change in prior beliefs or predictions which define setpoints for homeostatic reflex arcs)...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27891602/cannabimimetic-phytochemicals-in-the-diet-an-evolutionary-link-to-food-selection-and-metabolic-stress-adaptation
#3
REVIEW
Jürg Gertsch
The endocannabinoid system (ECS) is a major lipid signaling network that plays important pro-homeostatic (allostatic) roles not only in the nervous system but in peripheral organs. Increasing evidence points towards a dietary component in the modulation of the ECS. Cannabinoid receptors in hominids co-evolved with diet and the ECS constitutes a feedback loop for food selection and energy metabolism. Here it is postulated that the mismatch of ancient lipid genes of hunter-gatheres and pastoralists with the high carbohydrate diet introduced by agriculture could be compensated via dietary modulation of the ECS...
November 27, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27888772/adrenocortical-sensitivity-moderated-by-ongoing-stress-predicts-drinking-intensity-in-alcohol-dependent-men
#4
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...
November 5, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27884006/current-psychosomatic-practice
#5
Giovanni A Fava, Fiammetta Cosci, Nicoletta Sonino
Psychosomatic research has advanced over the past decades in dealing with complex biopsychosocial phenomena and may provide new effective modalities of patient care. Among psychosocial variables affecting individual vulnerability, course, and outcome of any medical disease, the role of chronic stress (allostatic load/overload) has emerged as a crucial factor. Assessment strategies include the Diagnostic Criteria for Psychosomatic Research. They are presented here in an updated version based on insights derived from studies carried out so far and encompass allostatic overload, type A behavior, alexithymia, the spectrum of maladaptive illness behavior, demoralization, irritable mood, and somatic symptoms secondary to a psychiatric disorder...
November 25, 2016: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/27877145/daily-negative-work-events-and-employees-physiological-and-psychological-reactions
#6
Judith Volmer, Andrea Fritsche
Scholars have accumulated an abundant amount of knowledge on the association between work stressors and employees' health and well-being. However, notions of the complex interplay of physiological and psychological components of stress reactions are still in their infancy. Building on the Allostatic Load (AL) model, the present study considers short-term within-person effects of negative work events (NWEs) on indicators of both physiological (i.e., salivary cortisol) and psychological distress responses (i...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27876789/allostasis-in-health-and-food-addiction
#7
Dirk De Ridder, Patrick Manning, Sook Ling Leong, Samantha Ross, Sven Vanneste
Homeostasis is the basis of modern medicine and allostasis, a further elaboration of homeostasis, has been defined as stability through change, which was later modified to predictive reference resetting. It has been suggested that pleasure is related to salience (behavioral relevance), and withdrawal has been linked to allostasis in addictive types. The question arises how the clinical and neural signatures of pleasure, salience, allostasis and withdrawal relate, both in a non-addicted and addicted state. Resting state EEGs were performed in 66 people, involving a food-addicted obese group, a non-food addicted obese group and a lean control group...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27876129/metabolic-syndrome-a-truly-psychosomatic-disorder-a-global-hypothesis
#8
Shrikant Madhukar Ghike
Exact cause of the metabolic syndrome [MS], a global epidemic, is still unclear. Man has same fundamental needs to live as animals but modern man's life-style compels him to acquire certainty of resources for all his needs in a complex social network. Today money has become the sole life essential need. Contrarily none of the animals needs to earn money. Brain is also an organ of the human body with a unique thought process to define logical actions to achieve a person's goals. This way life is a flow of desires followed by logical actions...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27872581/a-trigger-for-opioid-misuse-chronic-pain-and-stress-dysregulate-the-mesolimbic-pathway-and-kappa-opioid-system
#9
REVIEW
Nicolas Massaly, Jose A Morón, Ream Al-Hasani
Pain and stress are protective mechanisms essential in avoiding harmful or threatening stimuli and ensuring survival. Despite these beneficial roles, chronic exposure to either pain or stress can lead to maladaptive hormonal and neuronal modulations that can result in chronic pain and a wide spectrum of stress-related disorders including anxiety and depression. By inducing allostatic changes in the mesolimbic dopaminergic pathway, both chronic pain and stress disorders affect the rewarding values of both natural reinforcers, such as food or social interaction, and drugs of abuse...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27869061/considering-neoliberalism-contempt-and-allostatic-load-in-the-social-dynamics-of-tuberculosis
#10
Dragos Simandan
No abstract text is available yet for this article.
November 21, 2016: Journal of Biosocial Science
https://www.readbyqxmd.com/read/27852715/does-existential-unease-predict-adult-multimorbidity-analytical-cohort-study-on-embodiment-based-on-the-norwegian-hunt-population
#11
Margret Olafia Tomasdottir, Johann Agust Sigurdsson, Halfdan Petursson, Anna Luise Kirkengen, Tom Ivar Lund Nilsen, Irene Hetlevik, Linn Getz
OBJECTIVES: Multimorbidity is prevalent, and knowledge regarding its aetiology is limited. The general pathogenic impact of adverse life experiences, comprising a wide-ranging typology, is well documented and coherent with the concept allostatic overload (the long-term impact of stress on human physiology) and the notion embodiment (the conversion of sociocultural and environmental influences into physiological characteristics). Less is known about the medical relevance of subtle distress or unease...
November 16, 2016: BMJ Open
https://www.readbyqxmd.com/read/27847923/stages-of-the-clinical-course-of-schizophrenia-staging-concept
#12
REVIEW
Paweł Wójciak, Agnieszka Remlinger-Molenda, Janusz Rybakowski
Clinical staging is a tool useful in medical sciences. It assumes the presence of three key elements. Firstly, pathologic indices are progressing in subsequent stages. Secondly, the patients in the individual stages present similar pathological changes. Thirdly, treatment should be most effective in the earlier stages. Such model is particularly well established in the treatment of malignancies. Staging is useful here to define prognosis, to evaluate the results of treatment, facilitate the exchange and comparison of information among treatment centres...
2016: Psychiatria Polska
https://www.readbyqxmd.com/read/27814859/the-biomechanical-model-in-manual-therapy-is-there-an-ongoing-crisis-or-just-the-need-to-revise-the-underlying-concept-and-application
#13
Christian Lunghi, Paolo Tozzi, Giampiero Fusco
Different approaches to body biomechanics are based on the classical concept of "ideal posture" which is regarded as the state where body mass is distributed in such a way that ligamentous tensions neutralize the force of gravity and muscles retain their normal tone, as result of the integration of somatic components related to posture and balance mechanisms. When compromised, optimal posture can be restored through the balanced and effective use of musculoskeletal components; however, various research findings and the opinion of experts in this field suggest a move away from the dogmas that have characterized the idea of health dependent on ideal posture, to promote instead dynamic approaches based on the interdependency of the body systems as well as on the full participation of the person in the healing process...
October 2016: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/27806022/the-authors-reply-pursuing-the-optimal-operationalization-of-allostatic-load
#14
Joshua F Wiley, Tara L Gruenewald, Arun S Karlamangla, Teresa E Seeman
No abstract text is available yet for this article.
November 1, 2016: Psychosomatic Medicine
https://www.readbyqxmd.com/read/27806021/mitochondrial-nexus-to-allostatic-load-biomarkers
#15
Martin Picard, Robert-Paul Juster, Richard P Sloan, Bruce S McEwen
No abstract text is available yet for this article.
November 1, 2016: Psychosomatic Medicine
https://www.readbyqxmd.com/read/27806020/considering-the-appropriateness-of-the-factor-analytic-operationalization-of-allostatic-load
#16
Zander Crook, Tom Booth
No abstract text is available yet for this article.
November 1, 2016: Psychosomatic Medicine
https://www.readbyqxmd.com/read/27802140/effects-of-acute-and-chronic-stress-on-telencephalic-neurochemistry-and-gene-expression-in-rainbow-trout-oncorhynchus-mykiss
#17
Maria Moltesen, Danielle Caroline Laursen, Per-Ove Thörnqvist, Madelene Åberg Andersson, Svante Winberg, Erik Höglund
By filtering relevant sensory inputs and initiating stress responses, the brain is an essential organ in stress coping and adaptation. However, exposure to chronic or repeated stress can lead to allostatic overload, where neuroendocrinal and behavioral reactions to stress become maladaptive. This work examines forebrain mechanisms involved in allostatic processes in teleost fishes. Plasma cortisol, forebrain serotonergic (5-HTergic) neurochemistry and mRNA levels of corticotropin-releasing factor (CRF), CRF binding protein (CRFBP), CRF receptors (CRFR1 and CRFR2), mineralocorticoid receptor (MR), glucocorticoid receptors (GR1 and GR2), and 5-HT1A receptors (5-HT1Aα and 5-HT1Aβ) were investigated at 1 h before and 0, 1 and 4 h after acute stress, in two groups of rainbow trout held in densities of 25 and 140 kg m(-3) for 28 days...
October 6, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27784236/role-of-the-autonomic-nervous-system-in-the-tumor-micro-environment-and-its-therapeutic-potential
#18
Zhifang Xu, Seiji Shioda, Masahisa Jinushi, Yutaka Kawakami, Hirokazu Ohtaki, Shenjun Wang, Xue Zhao, Yangyang Liu, Dan Zhou, Yi Guo
Although evidence over the last 30 years suggests that the autonomic nervous system (ANS) mediates stress-induced allostatic and immune responses, the crucial role that it plays in the tumor micro-environment has only recently been reported. Here, we review the action of ANS signaling in this micro-environment. Emerging data suggest that primary tumors are innervated by the ANS which mediates stress-related effects on tumor progression. The activation of the sympathetic nervous system (SNS) takes advantage of neurotransmitters and neuropeptides from the innervating neural circuitry and/or hypothalamic-pituitary-adrenal axis glucocorticoids via their receptors to modulate the gene expression associated with oncogenesis, the proliferation and apoptosis of tumor cells, angiogenesis, and the tumor-associated immune response...
October 25, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27770781/racial-disparities-in-adult-all-cause-and-cause-specific-mortality-among-us-adults-mediating-and-moderating-factors
#19
M A Beydoun, H A Beydoun, N Mode, G A Dore, J A Canas, S M Eid, A B Zonderman
BACKGROUND: Studies uncovering factors beyond socio-economic status (SES) that would explain racial and ethnic disparities in mortality are scarce. METHODS: Using prospective cohort data from the Third National Health and Nutrition Examination Survey (NHANES III), we examined all-cause and cause-specific mortality disparities by race, mediation through key factors and moderation by age (20-49 vs. 50+), sex and poverty status. Cox proportional hazards, discrete-time hazards and competing risk regression models were conducted (N = 16,573 participants, n = 4207 deaths, Median time = 170 months (1-217 months))...
October 22, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27768647/relationship-of-psychosocial-resources-with-allostatic-load-a-systematic-review
#20
Joshua F Wiley, Bei Bei, Julienne E Bower, Annette L Stanton
OBJECTIVES: Allostatic load (AL) represents cumulative wear-and-tear on the body and is operationalized as a multisystem index of biomarkers. Allostatic load is associated with morbidities and mortality, leading to a growing body of literature that uses AL as an outcome in its own right. Psychosocial resources (PSRs), such as mastery and social support, may influence health outcomes in part via AL, and the current review seeks to characterize the relations between PSRs and AL. METHODS: A systematic review was conducted by searching PubMed, CINAHL Plus, PsycINFO, Scopus, and Embase for studies examining the relation between PSR(s) and AL in humans...
October 20, 2016: Psychosomatic Medicine
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