The evidence for time in nature is enormous and reasonably well-known by now. Lower cortisol. Improved immune function. Better mood. Enhanced creativity. The research goes back decades and across cultures — Japanese shinrin-yoku (forest bathing), Scandinavian friluftsliv, the outdoor therapy movements in the UK and US.
What's less understood is why. The popular explanation involves fresh air, reduced screen time and the 'restorative' effect of natural environments. These are real. But I think they're secondary.
The deeper mechanism, in my experience and in the research I find most convincing, is relational. Time in nature — real time, not a thirty-minute walk — changes your relationship to your own scale. You become smaller in a useful way. The problems that felt urgent and permanent reveal themselves as contingent. The body begins to remember that it is not just a vehicle for the mind's agenda.
There's also something specific about Australian land that I want to name. This country is old in a way that Europe is not. The desert, the bush, the coast — there's a geological patience in it that has a particular effect on people who spend time in it. It doesn't care about your timeline. It has been here for four hundred million years. Something about that is genuinely therapeutic.
I've guided people through Australian landscapes for eleven years. The land does things I can't take credit for. My job is mostly to create the conditions for encounter — to slow people down enough that the land can do its work. The rest happens by itself.
Medicine is a strong word. I use it deliberately. Not as metaphor. As description.