According to a study published in the International Journal of Obesity, gastric bypass is also included that offers more benefits than other traditional formulas for weight loss, such as changing diet or exercising. But its benefits go beyond the reduction of weight and reach better levels of glucose in the blood.

Subsequently, Hans-Rudolf Berthoud, author of the research and a member of the Pennington Biomedical Research Center, concluded that the gastric caecum has the characteristics in the brain.

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In the experiments, the methods, the exercises, the mice, the Roux-en-Y bypass gastric bypass surgery, a procedure where a large part of the stomach of the animals is found, only a small amount connected to the small intestine. An increase in the activity of neuronal pathways of mammals was seen shortly after surgery. A level of secretion of satiety hormones was also found.

A similar behavior in the hormonal patterns of humans occurs after this surgery.
After these results, the experts confirmed that the gastric bypass is determinant in the neuronal variations.

When surgery like this occurs, the brain identifies that a change in the behavior of the stomach has occurred and begins to modulate its function by appeasing the need for food in the organ.

In a normal process of digestion, the food passes from the stomach to the small intestine, where the greatest amount of nutrients and calories are absorbed. Then it enters the large intestine and the remaining food comes out as excrement. In an organism with Roux-en-Y bypass surgery, the capacity of the stomach is reduced by 15 to 30 milliliters, leaving it the size of an egg, and connected to the small intestine. With the reduction of the stomach and intestine the absorption of calories and nutrients is reduced.

By having a small stomach, the desire to eat will decrease. The patient is usually going to be satisfied faster and will need less food to fill up. Your appetite will be lower and eventually you will lose weight.

Thanks to the results of the bypass doctors recommend that people with diabetes and obesity to practice this surgery to improve blood glucose levels and lose weight.
However, it is important that there is clarity about who is able to perform this surgery: it should be done in patients whose weight-to-height ratio (body mass index) exceeds 40 kg / m², and in the case of patients in whom this index oscillates between 35 and 40 kg / m², only if they suffer diseases associated with overweight, such as hypertension, diabetes mellitus, metabolic syndrome, among others.