Changes in cortisol and dehydroepiandrosterone levels immediately after urban park visits.

Int J Environ Health Res

Department of Occupational Therapy, School of Health Professions, The University of Alabama at Birmingham, Birmingham, Alabama, USA.

Published: February 2023

AI Article Synopsis

  • The study investigates the immediate physiological and psychological effects of short visits to urban parks on visitors.
  • Sixty participants assessed their subjective well-being (SWB) and provided saliva samples before and after their park visit, while also tracking their physical activity with pedometers.
  • Results showed that after the visit, participants had lower cortisol levels and higher SWB scores, with a park visit duration of about 21.8 minutes being significant for reducing stress hormone levels.

Article Abstract

The purpose of this study is to explore physiological and psychological changes immediately after a short-term visit to urban parks in an uncontrolled condition. Sixty park visitors completed a short questionnaire evaluating their subjective well-being (SWB) and donated a saliva sample immediately before and after their park visit. In addition, participants wore a pedometer to track their physical activity level during the park visit. Results indicated the levels of all biomarkers (cortisol, dehydroepiandrosterone [DHEA], and cortisol/DHEA ratio) decreased while SWB scores increased after the park visit. The duration of park visit was identified as a key variable significantly associated with cortisol reduction, and changes in SWB scores after the park visit were significantly associated with changes in cortisol level. A park visit duration of 21.8 min has the predictive ability to discriminate park visitors who exhibit reductions in cortisol levels after the park visit from those who do not.

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Source
http://dx.doi.org/10.1080/09603123.2021.2013454DOI Listing

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