How does soil help with depression and moods? [gardeningknowhow.com]
It's interesting to consider that it's not just the act itself, which I had always presumed, and may in fact be a chemical reaction. That gives me a more scientific reason to tell people as to why I'm out there playing in the dirt. Although I can't discount the physical activity, either.
Lets just hope there's still some healthy microbes left in people's soil.