Doctors specialists in gastric bypass surgery, explained that this is the reduction of the stomach and intestine absorption capacity. According to statistics the obesity-related diseases have increased alarmingly. The doctors of different institutions have suggested that the best way to combat obesity is with surgery, the gastric bypass. Gastric bypass is recommended for obese people with a BMI equal to or greater than 40 points and that is constant by the way time. Many doctors say that it is a solution for those people who have tried to lose weight with diets or custom exercises but have failed. The intervention of the gastric bypass can be in two ways the first open, still is a little invasive and does not occur only in case if very necessary, the second and most used by its ease and being almost nothing invasive is through a laparoscopy. Laparoscopy is a surgical procedure in where a small incision to insert a camera with which the operation was made, this intervention is the most widely used by shortly after taking his recovery and so small that leaves scar. In Mexico, many people suffer from obesity and it is impossible to lose weight naturally, so many doctors specialists recommend the realization of a gastric bypass with expert, in Monterrey we can find many specialized doctors in this operation..