There's actually some research to back that up. (Forest bathing & the effects of phytoncides https://pmc.ncbi.nlm.nih.gov/articles/PMC2793341/)

Nature, physical touch (even with non-human objects), and being near or touching a big stationary natural object triggers our parasympathetic nervous system too, helps reduce stress.

Everyone should go hug a tree! It's not completely woo woo, there are real biological benefits.