Harvard Prevention Research Center 
One of 28 Prevention Research Centers (PRC) funded by the National Center for Chronic Disease Control and Prevention at the Centers for Disease Control and Prevention.

CDC Division of Nutrition and Physical Activity  
A division of the Centers for Disease Control and Prevention that provides resources on nutrition and physical activity.

CDC US Obesity Trend Maps 
Maps depicting the trend in obesity prevalence rates from 1985 to 2002.

US Department of Health and Human Services:  SmallSteps 
A US Department of HHS interactive website that encourages small changes in activity and dietary changes:  

U.C. Berkeley Center for Weight and Health 
A center that provides leadership for the development of interdisciplinary, science-based solutions to body weight, health and hunger-related problems.

American Academy of Pediatrics 
The American Academy of Pediatrics (AAP) and its member pediatricians dedicate their efforts and resources to the health, safety and well-being of infants, children, adolescents and young adults.

American Heart Association 
The American Health Association’s mission is to reduce disability and death from cardiovascular diseases and stroke

American Diabetes Association 
The American Diabetes Association, founded in 1940, is the nation's leading nonprofit health organization providing diabetes research, information and advocacy. 

Center for Science in the Public Interest 
A premier nutrition consumer advocacy organization since 1971 whose twin missions are to conduct innovative research and advocacy programs in health and nutrition, and to provide consumers with current, useful information about their health and well-being.