The practice of shinrin-yoku or 'forest bathing' emerged in Japan in the 1980s, as an eco-therapy touted to have both physical and physiological benefits.
The practice is one that has been adopted by Dr Geoffrey Handsfield, a senior research fellow with the Musculoskeletal Modelling Group at the Auckland Bioengineering Institute. Dr Handsfield, who originally hails from Nevada, says forest bathing engages the 'rest and digest' parasympathetic nervous system. He joins the show to explain.