![](http://grist.org/wp-content/uploads/2008/11/atlanta-park-city-view_h150.jpg)
The health disparity between rich and poor folk is much smaller in areas with plenty of parks and green space, according to a large study published in British medical journal The Lancet. Says lead author Richard Mitchell, “This is the first time we have demonstrated that aspects of the physical environment can have an impact in such a good way.”