Tags: Processed | Meats | Boost | Cancer | Risk

Processed Meats Boost Cancer Risk

Thursday, 29 December 2005 12:00 AM

Eating lots of processed meats boosts the risk of developing pre-cancerous colon polyps, while eating plenty of chicken reduces it, according to a new VA study.

The study of over 1500 people all of whom were diagnosed with polyps, showed that those with diets high in processed meats were far more likely to develop more polyps.

On the other hand, those who ate a lot of chicken were less much less prone to getting more polyps than those who ate little.

"Our results are consistent with prior studies that suggest certain dietary factors may be important in the development of colon polyps and cancer," said Dr. Douglas Robertson, chief of gastroenterology at the VA Medical Center in White River Junction, Vermont, who headed the research.

All the patients first underwent a baseline colonoscopy to remove existing polyps, and were then surveyed about their eating habits. Follow-up colonoscopies were done from one to four years later. Overall, the 25 percent of people with the highest processed meat consumption were 75 percent more likely to develop more polyps, than the 25 percent who ate the least.

Furthermore, the 25 percent with the highest chicken consumption were about 40 percent less likely to develop more polyps than those who ate the least.

"Our data indicate that intake of specific meats may have different effects on risk," the study authors write in the American Journal of Gastroenterology.

The researchers say processed meats could contribute to the development of colon cancer because processing may increase levels of potentially cancer-promoting substances called N-nitrosamines.

According to the National Cancer Institute, colorectal cancer kills more than 57,000 Americans annually and is the second leading cause of cancer death in the country.

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Eating lots of processed meats boosts the risk of developing pre-cancerous colon polyps, while eating plenty of chicken reduces it, according to a new VA study. The study of over 1500 peopleall of whom were diagnosed with polyps, showed that those with diets high in...
Processed,Meats,Boost,Cancer,Risk
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2005-00-29
Thursday, 29 December 2005 12:00 AM
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