NIH - First Federal Obesity Clinical Guidelines - Identification, evaluation, and treatment of overweight and obesity in adults reviewed by 115 health experts at major medical and professional societies. Web4Health - Articles on Obesity - Advice and articles to help in treatment and management. Includes causes, complications and prevention. NIH - Weight-control Information Network (WIN) - Provides the general public, health professionals, the media, and Congress with up-to-date, science-based information on weight control, obesity, physical activity, and related nutritional issues. U.S. government. Wikipedia - Obesity - Crowdsourced encyclopedia article describes the possible causes and effects of obesity. NHS Choices - Obesity - Information on symptoms, causes, diagnosis, treatment, surgery, complications and prevention from the British National Health Service. HHMI - The Science of Fat - Ronald M. Evans and Jeffrey M. Friedman discuss how the body regulates weight by carefully controlling the storage and burning of fat—and how a better understanding of these complex metabolic systems could lead researchers to treatments that curb obesity and improve public health. Johns Hopkins - Obesity Economics - Opencourseware teaches the economic approach to evaluating obesity, focusing on attributable health care expenditures, quality adjusted life years, productivity changes, consumer sovereignty, and the incentives and regulations that can be used to change individual adult, parent, and child behavior. WHO - Obesity - Provides links to activities, reports, news and events, as well as contacts and cooperating partners in the various WHO programmes and offices working on this topic. Wikipedia - Overweight - Crowd-sourced encyclopedia article about having more body fat than is optimally healthy. Canadian Obesity Network (CON-RCO) - Canada's largest professional obesity association for health professionals, researchers, policy makers and obesity stakeholders. MayoClinic.com - Obesity - Overview covers causes, treatment and prevention of this serious health risk. WebMD - Obesity Directory - Comprehensive coverage of obesity including medical reference, news, pictures and videos. NIH - Understanding Adult Obesity - An in depth look at this disorder and how it is measured, causes, consequences, treatment, research and additional reading. MedlinePlus - Obesity - Definition, illustration, alternative names, considerations, common causes and home care. CDC - Overweight and Obesity - This site provides a variety of information designed to help people understand that obesity is a serious health issue and the efforts being made to address it.