Bariatric Surgery Linked to Reduced Breast Cancer Risk in Women with Obesity: Study
Researchers have long suspected a link between obesity, insulin levels, and breast cancer risk in women. While retrospective studies suggest that bariatric surgery may lower the risk of breast cancer, there is a lack of long-term prospective data to confirm these findings and understand the role of baseline insulin levels. Obesity and insulin levels have been implicated as risk factors for breast cancer. Bariatric surgery is known to be effective in reducing obesity-related complications, but its impact on breast cancer risk has not been well-established.
This study was published in the journal of JAMA Surgery by Felipe M. and colleagues.
•The study, conducted as part of the Swedish Obese Subjects (SOS) study, included 2867 women aged 37 to 60 years with a body mass index (BMI) of 38 or greater.
• Over a median follow-up period of 23.9 years, 154 breast cancer events were recorded, with 66 in the surgery group and 88 in the usual care group.
• Women who underwent bariatric surgery had a decreased risk of breast cancer compared to those receiving usual obesity care (adjusted hazard ratio [HR] 0.72; 95% confidence interval [CI], 0.52-1.01; P = .06).
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