Glossary - About Weight Loss Surgery (Bariatric Surgery)

Bariatric surgery: (Etymology: Greek words "baros," meaning "weight," and "iatrikos," meaning "medicine") is the term for a surgery that helps you lose weight.

Cancer: Cancer is an unregulated proliferation of cells due to loss of normal controls, resulting in unregulated growth, lack of differentiation, local tissue invasion, and, often, metastasis. (Source: The Merck Manual).

Body Mass Index (BMI): BMI is calculated as weight (in kilograms)/height squared (in meters).

Calories: A unit of measure of heat derived from combustion of fuel, such as food; energy that comes from food.

Nausea: It is the unpleasant feeling of needing to vomit (Source: The Merck Manual).

Obesity: Obesity is defined based on BMI as follows: