We are learning more every day about potential benefits of weight loss surgery aside from the obvious downward trend on the scale. Recent studies reveal that diabetes can be resolved after gastric bypass, gastric sleeve, and Lap Band surgery. Now we have data that shows a significant drop in the overall incidence of cancer after weight loss surgery.
Previous studies have shown a correlation between bariatric surgery and reduced cancer risk among obese people. A recent study set out to fortify the data along these lines. Published in Springer’s journal Obesity Surgery, the review was led by Daniela Casagrande of the Universidade Federal do Rio Grande do Sul in Brazil and involved 54,257 participants.
Their systematic review shows that weight loss surgery is associated with a reduction in the incidence of cancer. They found that cancer only occurred in 1.06 cases per 1,000 person-years, up to 23 years after the surgery was performed, which is significantly lower than that of obese patients who have not had surgery.
Exactly why this happens is still unknown, but further research is being done on the topic. Daniela Casagrande, the author of the study, hopes that prospective trials can be done in the future to solidify the research and gain more insight into why this might happen.
Dr. Trace Curry
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