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What is weight loss surgery and how does it work?
Weight loss surgery, also known as bariatric surgery, is a procedure that changes the size and shape of your stomach, intestines, or both. The goal is to reduce the amount of food you can eat and the calories you can absorb, leading to weight loss. Weight loss surgery can also improve your health by lowering your risk of diabetes, heart disease, stroke, and some cancers.
Weight loss surgery works by altering the anatomy and physiology of your digestive system. Depending on the type of surgery, it can achieve one or more of the following effects:
- Restriction: This means reducing the size of your stomach or creating a smaller pouch from it. This limits the amount of food you can eat at one time and makes you feel full faster and longer.
- Malabsorption: This means bypassing or removing part of your small intestine or changing its connection to your stomach. This reduces the amount of calories and nutrients you can absorb from the food you eat.
- Hormonal: This means affecting the production and secretion of hormones that regulate your appetite, metabolism, blood sugar, and energy levels. This changes your hunger and satiety signals and helps you burn more calories.