http://ozarkspub.vo.llnwd.net/o37/KSMU/audio/mp3/studies-find-health-benefits-outdoor-time_54774.mp3
Spring is the perfect season for outdoor activity, and studies show many physical and mental health benefits for taking walks and exploring nature. Dr. Janice Greene, professor of biology at Missouri State University and director of the Bull Shoals Field Station, gives tips for preserving nature.