Blood pressure-lowering effect of Shinrin-yoku (Forest bathing): a systematic review and meta-analysis.

Yuki Ideno, Kunihiko Hayashi, Yukina Abe, Kayo Ueda, Hiroyasu Iso, Mitsuhiko Noda, Jung-Su Lee, Shosuke Suzuki
BMC Complement Altern Med 2017 Aug 16;17(1):409.

https://pubmed.ncbi.nlm.nih.gov/28814305/