Below are public health agencies and organizations monitoring and researching the epidemic of obesity and related diseases.

Centers for Disease Control and Prevention

The Centers for Disease Control and Prevention (CDC) is the nation’s top agency that works to prevent and control disease including obesity. On its website, the CDC has the latest statistics on obesity trends among adults, children and adolescents in the United States. It also provides a state-by-state breakdown of Obesity’s economic impact on the U.S. health care system as well as an interactive map illustrating the growth of obesity in the U.S. since 1985.

Weight-control Information Network

Weight-control Information Network (WIN) is a national information service of the National Institute of Diabetes and Digestive Kidney Diseases (NIDDK) – the primary organization for research on obesity within the National Institutes of Health (NIH). WIN provides up-to-date, science-based information on weight control, obesity, physical activity, and related nutritional issues, including statistical information on the prevalence of obesity as well as the latest figures on the economic costs of the disease.

National Center for Health Statistics

The National Center for Health Statistics
 (NCHS) is the United States’ principal health statistics agency. A part of the CDC, NCHS collects and produces data related to obesity, and its website lists recent studies that include data on the connection between sleep and obesity, the prevalence of obesity among adults and among children and adolescents. NCHS also has a statistics section on Obesity and Overweight conditions.

World Health Organization

The World Health Organization (WHO) is working to prevent and monitor the global epidemic of overweight and obesity. WHO’s website has the most recent statistics and facts regarding the global spread of obesity. Their site also has a database that provides the BMI for each country around the world and a link to WHO’s latest studies and publications on obesity and related chronic diseases.

The Hormone Health Network

The Hormone Health
 Network is the public education affiliate of The Endocrine Society. The Network’s website provides information about emerging hormone-related endocrine system diseases, including obesity.

American Obesity Association

The American Obesity Association
 (AOA) is one of the nation’s premier public policy advocates for combating and curing obesity. AOA’s website is filled with the latest data and figures on a myriad of obesity-related topics, including obesity trends in the U.S., morbid obesity, and statistics regarding obesity in minority populations and women. The AOA also has information about consumer protection issues and health effects related to obesity.

International Obesity Taskforce

The International Obesity Taskforce (ITF) is the research and advocacy arm of the International Association for the Study of Obesity (IASO) – an umbrella organization for national obesity associations which represent 56 countries around the world. IOTF’s website provides statistical data on the global study of obesity, including information on global obesity prevalence in adults and global childhood obesity.