Well, the linked article does discuss the potential difference between a nature walk, and an urban walk. > In an earlier study published last month, he and his

Well, the linked article does discuss the potential difference between a nature walk, and an urban walk. > In an earlier study published last month, he and his colleagues found that volunteers who walked briefly through a lush, green portion of the Stanford campus were more attentive and happier afterward than volunteers who strolled for the same amount of time near heavy traffic.