From the first time that the gastric bypass by Edward Mason took place in 1967, gastric bypass technique has changed and has become a more reliable solution for society as a whole. Obesity is a disease that causes the worsening of other diseases such as diabetes, hypertension and many other diseases of the heart, in addition to causing low self-esteem and low physical condition. Medical specialists have conducted studies which prove that gastric bypass is a good or possibly the best solution for losing weight and improving health. The gastric bypass is recommended to those who have attempted to lose weight with diets or custom exercises but have failed and who have a BMI greater than 40. In Mexico, many doctors offer the realization of gastric bypass in two ways, first by open road and the second is through a laparoscopy, which consists in the realization of a small incision by which a camera will be introduced to perform with her the operation. An a Laparoscopic gastric bypass recovery, is very short and simple, the majority of patients do not feel no discomfort and the scar is very small. The benefits that offer a gastric bypass, are many, studies conducted by United States scientists, have found that through this intervention patients suffering from diabetes have improved his condition and if they take care of their food they might never again need injections of insulin. And for patients who only suffered from obesity, gastric bypass the aid to increase your fitness and self-esteem. Mainly in Monterrey, the citizens have sought solutions to combat obesity, by what doctors have specialized in the realization of the gastric bypass.