Long term benefits of weight loss surgery in the prevention of cancer proved

Written By : Isra Zaman

Medically Reviewed By : Dr. Kamal Kant Kohli

Published On 2023-08-23 03:45 GMT | Update On 2023-08-23 03:45 GMT

After adding follow-up years, increased sample sizes and examining multiple surgical procedures, new research shows bariatric surgery is associated with lower all-cancer and obesity-related cancer incidence among females. The research also found that cancer mortality was significantly lower among female surgical patients compared to non-surgical subjects.

Although population studies have established a positive association between body mass index and cancer incidence, less clear is whether voluntary reduction in body weight leads to reduced cancer risk because significant and sustained weight loss in large populations is difficult to achieve.

In the current study, researchers compared cancer incidence and mortality stratified by obesity- and non-obesity-related cancers, sex, cancer stage and procedure. Retrospectively (1982-2019), nearly 22,000 bariatric surgery patients were compared with non-surgical subjects with severe obesity.

Results showed that the bariatric surgery group had a 25% lower risk for developing any cancers compared to the non-surgery group. Female bariatric surgery patients had a 41% lower risk for developing obesity-related cancers compared to matched non-surgery females. Cancer risk for male bariatric surgery patients was not lower compared to non-surgery male subjects.

Significant reduction in cancer risk was shown for the following cancers: uterine, ovarian, colon, pre-menopausal breast and post-menopausal breast.

Reference: “Long-Term Cancer Outcomes After Bariatric Surgery,” is online and will be published in the print issue of Obesity in September 2023. (https://doi.org/10.1002/oby.23812)

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Article Source : Obesity

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Isra Zaman

Isra Zaman is a Life Science graduate from Daulat Ram College, Delhi University, and a postgraduate in Biotechnology from Amity University. She has a flair for writing, and her roles at Medicaldialogues include that of a Sr. content writer and a medical correspondent. Her news pieces cover recent discoveries and updates from the health and medicine sector. She can be reached at editorial@medicaldialogues.in.

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Long term benefits of weight loss surgery in the prevention of cancer proved

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