Gastric band surgery to help weight loss may also boost brain power, study says


A study found that gastric band surgery, which helps with weight loss, may also boost brain power, and found that those who had the surgery performed better on post-treatment cognitive tests.

By Kate Pickles Health Editor

Updated: 01:24 May 21, 2023


  • Doctors believe drastic weight loss increases blood flow to the brain
  • Experts say postoperative patients spend less time thinking about food
  • Up to 7,000 Britons undergo gastric banding and other weight loss surgeries each year



Studies have shown that gastric band surgery is good for the brain as well as the waistline.

Dutch researchers found that obese patients performed better on cognitive tests after weight loss surgery than before.

Doctors believe that rapid weight loss may lower blood pressure and increase blood flow to the brain.

Postoperative patients also spend less time thinking about food, freeing up brain capacity, which could help prevent later memory loss conditions such as dementia, experts suggest.

Previous studies have linked weight loss with increased brain power, helping people prioritize tasks, filter out distractions, and control impulses.

Doctors believe that rapid weight loss may lower blood pressure and increase blood flow to the brain (file image).

A recent study investigated how bariatric surgery affected mental performance in 129 patients.

They underwent memory, language, and attention tests before gastric bypass surgery in 2018 and after surgery in 2021.

Forty patients also had MRI scans before and after to see how their brain structures had changed.

Dr. Amanda Killian of Radboud University Medical Center, who presented the findings at the European Obesity Congress in Dublin, said the patient’s memory and attention were “still improving two years after surgery.” .

“Many studies show that vascular problems present in morbid obesity are risk factors for the development of neurodegeneration, cognitive decline and dementia,” she said. After the surgery, I exercised more and felt better. “

Up to 7,000 Britons undergo bariatric surgery (a group of gastric bands and other weight-loss procedures) each year.





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