This process can be summarized in two vital steps. The first is to divide the stomach into two unequal sections. The second is to rearrange the intestine to connect both these sections. The upper or first part of this section is known as pouch. The size of this section is so small that it can be compared to a walnut. It is here that the food we eat gets stored. Since it is small in size and is capable of holding only 1 ounce of food , people tend to feel full with lesser intake; thus, restricting weight gain upto a large extent.
Gastric bypass surgeries are one of the many operations that are involved in weight loss surgeries; collectively known as Bariatric Surgeries. Surgeons conduct a BMI assessment before prescribing these surgeries. BMI stands for Body Mass Index, which is a ratio of body weight to square of height. If this number exceeds 40, only then, weight loss surgeries are recommended.
These surgeries are very complex and lead to various changes in metabolic activities of our body. Being very complex surgery gastric bypass surgery also have many risk & complication in it's account. However, these surgeries are not a permanent solution to obesity. Some feel that once they have undergone these operations, they do not need to follow any dietary measures or get engaged in any kind of physical exercise regularly. This is wrong. Patients are always recommended to follow a healthy diet, including only those food items that do not add to weight gain. Some form of physical exercise is also a must so as to prevent future complications.