Source: Stanford School of Medicine; 2007 Document Title: Building Generation Play: Addressing the Crisis of Inactivity Among America's Children Notes: Data on physical activity in children and adolescents...

Source: American Hiking Society; 2007 Document Title: A Step in the Right Direction: The Health Benefits of Hiking and Trails Notes: A fact sheet on how walking can increase overall fitness and health...

Source: American Educational Research Association Document Title: The Role of Recess in Children's Cognitive Performance and School Adjustment Notes: The authors suggest that the recess period serves...