Weight Loss Surgery Information -
This service was started by gastric bypass patients in the Liverpool region and has grown to include a large membership of both bypass and band patients. The website is the central information source and they reach a large number of obesity surgery persons.

Obstructive Sleep Apnoea -
This website is a useful information resource about obstructive sleep apnoea (a common co-morbidity of morbid obesity) and its treatment.

Obesity Surgery Advice -
Telephone and internet advisory service set up by Ethicon Endo-Surgery and run by trained nurses which aims to provide information to persons seeking privately, and direct them to a multidisciplinary surgical team local to where they live. For both prospective band and bypass patients. Tel: 0800 783 0303

Association for the Study of Obesity -
This group has a membership of 400 scientists, medical and health professionals, runs training meetings and conferences and produces a newsletter.

National Obesity Forum -
The NOF was set up by GPs concerned about the impact of increasing obesity on the NHS. Their work includes support of the All Party Parliamentary Group on Obesity, which raises debate about the causes, prevention and treatment of obesity in government.

Weight Concern -
This charity has developed programmes to tackle childhood obesity and to train health professionals in obesity management. They also sell a personalised weight management programme

American Society for Metabolic & Bariatric Surgery -
The American Society for Metabolic & Bariatric Surgery is the largest surgical society in the world for this area of treatment. Although the information is directed primarly at an American audience, it contains a great deal of patient and healthcare professional information.