http://www.nhlbi.nih.gov/health/prof/heart/obesity/hrt_n_pk/index.htm
National Heart, Lung, and Blood Institute, National Institutes of Health
Hearts N' Parks is a national, community-based program supported by the National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health and the National Recreation and Park Association (NRPA). This innovative program aims to reduce the growing trend of obesity and the risk of coronary heart disease in the United States by encouraging Americans of all ages to aim for a healthy weight, follow a heart-healthy eating plan, and engage in regular physical activity.