Current News and Information
Recent Research Report on obesity and Weight Loss
What are the causes for morbid obesity?
In obese persons, the set point of stored energy is too high. This altered set point may result from a low metabolism with low energy expenditure, excessive caloric intake, or a combination of the above. It can also be genetic inheritance. Severe obesity is most likely a result of a combination of genetic, psychosocial, environmental, social and cultural influences that interact resulting in the complex disorder of both appetite regulation and energy metabolism. Severe obesity does not appear to be a simple lack of self-control by the patient.
Treatments available for morbid obesity
Medical Treatment
In 1991, the National Institutes of Health Conference concluded that non-surgical methods of weight loss for patients with severe obesity, except in rare instances, are not effective over long periods of time. It was shown that nearly all participants in any non-surgical weight-loss program for severe obesity regained their lost weight within 5 years. Although prescriptions and non-prescription medications are available to induce weight loss, there does not appear to be a role for long-term medical therapy in the management of morbid obesity. Medications that reduce appetite can result in 11 to 22 pound weight reduction. However, weight gain is rapid once medication is withdrawn. Various professional weight loss programs use behavior modification techniques in conjunction with low caloric diets and increased physical activity. Weight loss of one to two pounds per week has been reported, but nearly all the weight loss is regained after 5 years.
Surgical Treatment
A number of weight loss operations have been devised over the last 40-50 years. The operations recognized by most surgeons include: vertical banded gastroplasty, gastric banding (adjustable or non-adjustable), Roux-en-Y gastric bypass, and malabsorbtion procedures (biliopancreatic diversion, duodenal switch).
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