Natural surroundings-- sunshine, fresh air, birdsong-- enhance horse work to reduced stress hormones, enhance state of mind

https://www.scribd.com/document/1059591915/From-Overwhelm-to-Positioning-Experiential-Discovering-with-Steeds-133438

Natural environments-- sunshine, fresh air, birdsong-- enhance horse work to reduced stress hormones, enhance mood, and assistance attention and sober living regimens.