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Weight loss surgery reduced the risk of cancer by 76%
Thursday, June 19, 2008 8:04 am Email this article
Patients who underwent weight loss surgery were 76 percent less likely to get cancer for the 5 years following their surgery compared to people who did not according to a study presented on June 18th, 2008 at the annual meeting of the American Society for Metabolic and Bariatric Surgery by Dr. Nicolas Christou, director of bariatric surgery at McGill University.
Only 2 percent of those who had surgery were diagnosed with cancer during the first 5 years after their surgery compared to 8.5 percent of people who did not have surgery.
Patients in the surgery group lost an average of two-thirds of their excess body weight. Breast Cancer
Breast cancer risk reduced 85%
Weight loss surgery reduced the risk of breast cancer by 85 percent.
Colon cancer risk reduced 70%
Weight loss surgery reduced the risk of colon cancer by 70 percent.
Reduced incidence of pancreatic cancer, skin cancer, uterine cancer, and
There was also a reduction in the incidence of pancreatic cancer, skin cancer, uterine cancer, and non-Hodgkin’s lymphoma in those who had weight loss surgery, however, the number of cases too small to be statistically significant.
Reduced Consumption of Carcinogens
Fewer carcinogens consumed may explain part of this decrease in cancer risk
The decrease in cancer risk may partly be a reduced consumption of carcinogens that may be present in some foods according to the study’s authors.
Obesity surgery saves lives
Obesity surgery saves lives and reduces cancer risk
“I think the study results really confirm what we already know about obesity surgery, that it really saves lives, and now we know that obesity surgery, in the appropriate individual, can also help to reduce the cancer risk,” Dr. Lau, who is also chairman of the Diabetes and Endocrine Research Group at the University of Calgary, was quoted as saying in the Globe and Mail.
Subjects: 1035 with surgery versus 5746 without surgery
The study compared 1,035 patients who had had weight loss surgery from 1986 to 2002 with 5,746 patients who did not have the surgery.
Subjects were matched in both groups by age, gender and the duration of the morbidly obese.
Weight-loss surgery can cut cancer risk : Bariatric surgery for morbid obesity also prevents cancer: McGill/MUHC researchers. 2008 Jun 19. McGill University’s website.
Goldstein J. Does weight-loss surgery lower cancer risk? Wall St Journal. 2008 June 19, 9:38 am.
Weeks C. Weight-loss surgery may cut cancer risk. Globe and Mail. 2008 June 19, 9:05 am,
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