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. 2020 Feb 5;9:2164956120905597. doi: 10.1177/2164956120905597

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© The Author(s) 2020

Creative Commons CC BY: This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Overview of the physiology of the stress response and relaxation response. ACTH, adrenocorticotropic hormone; ANS, autonomic nervous system; BP, blood pressure; CRH, corticotrophin-releasing hormone; HR, heart rate; NE, norepinephrine; PNS, parasympathetic nervous system; RR, relaxation response; SNS, sympathetic nervous system.