Effects of forest bathing (shinrin-yoku) on levels of cortisol as a stress biomarker: a systematic review and meta-analysis

Antonelli M1,2, Barbieri G3, Donelli D
Int J Biometeorol. 2019 Aug;63(8):1117-1134. doi: 10.1007/s00484-019-01717-x. Epub 2019 Apr 18

https://www.ncbi.nlm.nih.gov/pubmed/31001682