I found this to be a interesting, short article. As someone who loves to hike and being deep into thick forests, surrounded by as many trees as possible, I have to agree, that it's definitely relaxing and a stress reliever. The book is on order as I type.
https://www.npr.org/sections/13.7/2...om-nature-deficit-disorder-try-forest-bathingOne may dismiss this kind of book as yet more pseudoscience babble, but the point is that Li has not just practiced shinrin-yoku, but has also studied its impact on people's health through numerous scientific studies. He has data to support his claims, collected in a long list of peer-reviewed articles at the end of the book.