344 days ago

After some preliminary tests, half the participants walked for 90 minutes through a grassland dotted with oak trees and shrubs (“views include neighboring, scenic hills, and distant views of the San Francisco Bay”). The other half took a jaunt along El Camino Real, a four-lane, traffic-logged street in Palo Alto. The nature walkers showed decreases in rumination and in activity in their subgenual prefrontal cortices. The urban walkers showed no such improvements.

How Walking in Nature Prevents Depression

Thoreau extolled (and extolled and extolled—the piece was more than 12,000 words long) the virtues of walking in untamed environments. In the decades since, psychologists have proved him right. Exposure to nature has been shown repeatedly to reduce stress and boost well-being.