- American Obesity Association
- Works for treatment and prevention of obesity, supports related research and education, and advocates and end to discrimination against those who suffer from obesity. - Obesity Help
- Information and support for all aspects of bariatric surgery. Features forums and message boards, FAQs, chat, photos, and other resources. - North American Association for the Study of Obesity (NAASO)
- Interdisciplinary society whose purpose is to develop, extend and disseminate knowledge in the field of obesity. - American Society of Bariatric Physicians
- National medical society of licensed physicians offering specialised programmes in the medical treatment of obesity (bariatrics), weight loss, and dieting. - Obesity Research
- Journal of the The North American Association for the Study of Obesity. - International Obesity Task Force
- Seeks to secure a commitment from governments worldwide to recognise obesity as an epidemic which poses a serious threat to public health. - Obesity Online
- Multidisciplinary forum for research and treatment of massive obesity including surgery, plastics, dietetics, nutrition, psychiatry, endocrinology, nursing, and allied health. - International Association for the Study of Obesity (IASO)
 - Obesity Action Coalition
- Dedicated to elevating and empowering those affected by obesity through education, advocacy, and support. - Wikipedia: Obesity
- User-created article about obesity, a condition in which the natural energy reserve stored in the fatty tissue of humans is increased to a point where it is a risk factor for certain health conditions. - Obesity Meds and Research News
- Newsletter featuring the latest on obesity research and development of new medications. - International Laparoscopic Obesity Surgery Team (ILOST)
- Medical group offering surgical treatment of clinically severe obesity using Laparoscopic Gastric Banding. - Association for the Study of Obesity (ASO)
- Dedicated to the understanding and treatment of obesity. Founded in 1967, it provides a focus for obesity research and treatment in the U.K. - Metabolic Pharmaceuticals - Developing a new obesity drug
- Metabolic Pharmaceuticals Ltd is developing a new obesity drug based on the active fat metabolising region of the human growth hormone - clinical trials will start early 2000 - Roche in Obesity
- Offers information on body weight, weight management, nutrition, links and more. - ObesityCare.com
- Offers a directory of bariatric surgeons as well as information, articles, and videos concerning obesity solutions. - Olwen's Links on Weight Reduction Surgery
- Many links to information on bariatric surgery. - eMedicineHealth: Obesity
- Provides an overview of obesity and its causes, symptoms, and treatment. - Assessment and Management of Overweight and Obese Adult Patients
- Free CME credit course for primary care physicians and other healthcare professionals from the National Institutes of Health and the North American Association for the Study of Obesity. - Minnesota Obesity Center
- Funded by the National Institutes of Health (NIH) to research the prevention of weight gain and the treatment of obesity. - Laval University: Donald B. Brown Research Chair on Obesity
- Researches the pathophysiology of obesity, and promotes communication, training, and continiung education among medical experts in obesity-related fields. - Human Choriogonadotropin and Obesity Treatment
- Paper discussing the importance of hCG in weight loss. - Weigh Your Options
- WeighYourOptions.com is a joint initiative of the American Obesity Association (AOA) and Allergan, Inc., as part of the "Weigh Your Options" campaign. The goal of this campaign is to educate the public on various weight-loss options including diet and exercise, drug therapy, and surgical procedures. - New England Journal of Medicine: Obesity
- Find information on topics such as gastric surgery, ghrelin, physical activity, and treatment of obesity. Includes research articles, case reports, reviews, and editorial commentary. - Obesity: An Overblown Epidemic?
- Scientific American article reviewing the arguments by the growing number of dissenting researchers who accuse the government and medical authorities of misleading the public about the health consequences of rising body weights. - MerckSource - Obesity
- Information about obesity, its causes, and complications that can occur as a result. - Internet Pathology Laboratory: Obesity Tutorial
- Provides information about how obesity occurs including the role of genetics, health risks associated with being overweight, and measures that can be taken to lose weight.
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