Bariatric surgery can affect weight loss and health improvement by: Decreasing the volume of intake and assimilation, Decreasing appetite, Decreasing nutrient absorption, and Modifying gut hormones.
Bariatric surgery can be useful in improving/reversing conditions such as: Diabetes, High blood pressure, High cholesterol, Sleep apnea, and Chronic pain.

Bariatric surgery is indicated for patients who cannot lose weight with lifestyle modification and patients with obesity-associated comorbid conditions. All types of bariatric surgery carry risks and complications like – infections, hernias, blood clots, and weight regain.