This week, hosts Mark Masselli and Margaret Flinter speak with Dr. Robert Zarr, pediatrician at Unity Health in Washington, DC and founder of the ParkRx movement, which seeks to help patients achieve optimal health by prescribing the use local park spaces. Dr. Zarr discusses the science behind the movement and the development of a national data base for clinicians around the country to prescribe park time for improved mental health, physical wellbeing and reduced obesity rates among their patients.