In the main analyses of the study, researchers found that a 45-year-old woman with diabetes and a body mass index of 45 kg/m2 gained an additional 6.7 years of life expectancy with bariatric surgery (38.4 years with surgery versus 31.7 years without).

Does weight loss surgery shorten your lifespan?

Conclusions. For most severely obese patients with diabetes, bariatric surgery appears to improve life expectancy; however, surgery may reduce life expectancy for the super obese with BMIs over 62 kg/m2.

How long can you live after bariatric surgery?

Median estimated life-expectancy gains after bariatric surgery for patients with and without diabetes were 9.3 and 5.1 years, respectively. Treatment effects were similar for gastric bypass, sleeve gastrectomy, and gastric banding, although differences could emerge with larger studies or longer follow-up.

Does gastric sleeve improve life expectancy?

Life expectancy increased by 3 years for adults with obesity who had bariatric surgery compared with usual care; however, life expectancy was still shorter than that for the general population, according to researchers in Sweden.

Does stomach stapling shorten your life?

Literally millions of people have been studied and hundreds of studies have been published that show an overwhelming reduction in mortality risk from bariatric surgery. In other words, people live longer because of the surgery, and substantially so.

Is 70 too old for weight loss surgery?

Answer: There is no upper age limit for this type of surgery. However, the procedure is riskier for anyone older than 65. Obesity surgery — also known as bariatric surgery — limits your food intake. Some operations also restrict the amount of food you can digest.