According to clinical studies, it has been found that people over 40 and over the BMI and people with normal BMI "live less" 12 to 20 years. From this point on, people shorten their life expectancy if the excess weight exceeds a certain level, that is, if the BMI is 40 and more. It is called "death obesity".
In 1991 the American Health Institute (NIH) published the results of a study. Unfortunately, "Diet and Exercise" has a 2% chance of people with a BMI of 40 and above falling to their ideal weight. Therefore, with the exception of "surgical methods", people with morbid obesity are very, very little..
A research result (meta-analysis) was published in March 2014 in Jama Surgery, one of the most renowned and respected medical journals in the world. According to the results of the study, which examined a total of 161,756 cases between 2003 and 2012 (the result of a meta-analysis with the highest number of cases worldwide), the "mortality rate in obesity surgery" is 0.08%.
There is no "single method" in obesity surgery. Your doctor will recommend the most suitable obesity surgery method for you based on your comorbidities and dietary habits. You can also get rid of your comorbid illnesses (90-98%) after obesity surgery..
There are no daily or weekly goals after obesity surgery. There are global goals for 12 months and 24 months after surgery. In the first 12 months after obesity surgery, 50-90% of your "excess weight" should be lost and in the 24th month it should fall to your ideal weight.