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Innovations in biological assessments of chronic stress through hair and nail cortisol: Conceptual developmental and methodological issues

机译:通过头发和指甲皮质醇对慢性压力进行生物学评估的创新:概念发展和方法问题

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摘要

Much of the existing research on biological mechanisms underlying the stress experience has focused largely on moment-to-moment stress, rather than on chronic stress, an arguably more powerful predictor of long-term outcomes. Recent methodological innovations have paved the way for new lines of research on chronic stress, with promising implications for developmental researchers and for those who study health and adversity. In particular, there are increasing studies that have focused on chronic stress assessments by relying on cortisol derived from hair and nails as a biomarker for chronic stress. In this paper, we provide an overview of their use, describe how hair and nail cortisol ought to be conceptualized differently across the lifespan, how developmental factors may impact its interpretation, and the circumstances under which its use may be more methodologically sensible. The purpose of this review is to provoke further discussion and encourage careful research designs that utilize hair and nail cortisol for understanding the effects of chronic stress exposure from the early developmental period, across adverse contexts, and in association with psychological and physical health outcomes.
机译:现有的许多关于压力经历的生物学机制的研究都主要集中在瞬间压力上,而不是长期压力上,而长期压力可以说是对长期结果的更有效预测。最近的方法学创新为慢性应激的新研究铺平了道路,这对发育性研究人员以及那些研究健康和逆境的人们都具有希望。特别是,越来越多的研究通过依赖于头发和指甲的皮质醇作为慢性应激的生物标记物,将重点放在慢性应激评估上。在本文中,我们提供了对它们的使用的概述,描述了在整个生命周期中应该如何对头发和指甲皮质醇进行不同的概念化,发育因素如何影响其解释以及在何种情况下使用方法更合理的方法。这篇综述的目的是引起进一步的讨论,并鼓励进行仔细的研究设计,这些设计利用头发和指甲皮质醇来了解早期发育期,不良环境下与心理和身体健康状况相关的长期压力暴露的影响。

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