https://www.sciencedaily.com/releases/2019/11/191127161244.htm

"Nearly all studies investigating the effects of natural environments on human health are focused on the amount of a community's green space," said the scholars in a paper describing their project. "We found that the shape or form of green space has an important role in this association."

Their paper was published in the Nov. 2019 issue of The Lancet Planetary Health.