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Gastrointestinal Metabolic Surgery

Obesity

For appointments and information, please call (646) 962-8462

Obesity is usually classified by body mass index (BMI). A person with a BMI of 30 or more is generally considered obese. A person with a BMI equal to or more than 25 is considered overweight. These thresholds are usually lowered by 2.5 points for individuals of Asian descent. Clinically severe or 'morbid' obesity is considered to be either class III obesity (BMI >40 kg/m2) or class II obesity (BMI >35kg/m2) with significant obesity-related illness and health problems (co-morbidity), including type 2 diabetes.

Being overweight and obesity are major risk factors for a number of chronic diseases, including diabetes, cardiovascular diseases and cancer. It is believed that the increased risk for these conditions is due to excessive or abnormal fat accumulation, which may occur, however, even in individuals with lower BMI. Hence, a simple measure of weight such as BMI may not entirely reflect actual risk in individual patients.

Diet and lifestyle modification remain the best approach to prevent obesity. When severe obesity has fully developed, however, lifestyle modification alone may not be enough to achieve sufficient and/or durable weight loss. Morbid obesity represents an indication for metabolic/bariatric surgery to attain adequate weight loss and prevent long-term risks associated with obesity.

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