Does Weight Loss Surgery Lower Cancer Risk?

Weight loss surgery, also known as bariatric metabolic surgery (BMS), is often used to treat severe obesity. But does it also affect cancer risk? This is a tricky question. Some studies say yes, others say no. The problem is that most studies don't follow people for long enough to see if cancer develops. A recent study tried to answer this question using a clever method. They looked at medical records from Qatar, focusing on adults with obesity. They used a special technique called iterative time distribution matching (ITDM) to make the comparison fair. This helped them match people who had weight loss surgery with those who didn't, at the same starting point. They followed over 124, 000 people for about 7. 79 years on average. Out of these, 1, 465 had weight loss surgery, and 1, 583 developed cancer. The study found that those who had the surgery had a lower risk of cancer. But there's a catch: the study couldn't account for all possible factors, so the results should be taken with a grain of salt. The study also highlights the importance of transparency in research. It's a step forward, but more work is needed. Future studies should look at specific types of cancer and long-term effects. After all, understanding the link between weight loss surgery and cancer could help many people make informed decisions about their health.