Mother Nature Does It For Free

Previous studies have found that people who live near trees and parks have lower levels of stress hormones and that children with attention deficits tend to concentrate and perform better on cognitive tests after walking through parks or arboretums.

“Natural environments still engage the brain but the attention demanded is effortless. It’s called involuntary attention in psychology. It holds our attention while at the same time allowing scope for reflection and providing a palliative to the nonstop attentional demands of typical, city streets."

NYT: Easing Brain Fatigue With a Walk in the Park