A method that is both effective and uncomplicated, an endoscopic treatment known as stomach injection, can reduce the amount of fat that is stored throughout the body. This causes an impact on the muscles of the stomach, which in turn causes a delay in the digestion of food that is already present in the stomach. Because the stomach requires more time to process the food, the sensation of fullness lingers with you for a greater quantity of time after eating a meal that contains a lot of food.