From: Reuters
Published November 23, 2007 12:09 PM

Fiber, whole grains may cut pancreatic cancer risk

By Joene Hendry

NEW YORK (Reuters Health) - Eating more whole grain and fiber-rich food may lower the risk of pancreatic cancer by about 40 percent, study findings suggest.

Dr. June M. Chan, of the University of California, San Francisco, and colleagues identified this reduced risk among adults who ate two or more servings of whole grains each day compared with those who ate less than one serving a day.

They also noted about a 35 percent reduction in risk among individuals who ate the highest amount of fiber (26.5 grams per day or more) compared with those who ate the least (15.6 grams per day or less).

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"There is a possibility that diet can affect one's risk of pancreatic, as well as other cancers," Chan told Reuters Health, "and that eating a diet rich in a wide variety of grains is likely to not only help in the prevention of diabetes and heart disease, but also this very deadly cancer."

The researchers looked at grain intake among 532 people with pancreatic cancer and 1,701 people without pancreatic cancer among the San Francisco Bay area population.

The two groups were similar in age, gender, and body weight, and had a similar history of diabetes, but those with pancreatic cancer were more frequently current smokers, the investigators note in the American Journal of Epidemiology.

Overall, the results of the study suggest that eating more whole grains may protect against pancreatic cancer.

On the other hand, eating two or more servings of doughnuts a week, compared with less than a serving a month, was found to raise the risk of pancreatic cancer. However, so did eating two or more servings a week of cooked breakfast cereals such as oatmeal, which the investigators suspect may be explained by their inability to distinguish between sweetened or 'instant' cereals and less refined cereals.

"The risk reductions associated with some whole grain foods and fiber provide general support for the hypothesis that whole grains are better than more refined and sweetened grains for pancreatic cancer prevention," Chan said. However, "further studies are needed to confirm this," Chan added.

SOURCE: American Journal of Epidemiology, November 15, 2007.

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