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Pancreatic Cancer Health Center

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Pancreatic Cancer Linked to Sodas?

Study Says 2 Sodas Per Week Raises Pancreatic Cancer Risk; Beverage Industry Says Study Is Flawed
WebMD Health News
Reviewed by Louise Chang, MD

Feb. 8, 2010 -- Drinking as little as two soft drinks a week appears to nearly double the risk of getting pancreatic cancer, according to a new study.

''People who drank two or more soft drinks a week had an 87% increased risk -- or nearly twice the risk -- of pancreatic cancer compared to individuals consuming no soft drinks," says study lead author Noel T. Mueller, MPH, a research associate at the Cancer Control Program at Georgetown University Medical Center, Washington, D.C. The study is published in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research.

The beverage industry took strong exception to the study, calling it flawed and pointing to other research that has found no association between soda consumption and pancreatic cancer.

Cancer of the pancreas was diagnosed in about 42,000 people in the U.S. in 2009, according to American Cancer Society estimates, and about 35,240 deaths from the disease were expected. The pancreas lies behind the stomach. It makes hormones such as insulin to balance sugar in the blood and produces juices with enzymes to help break down fats and protein in foods.

Sodas and Pancreatic Cancer Risk: Study Details

Previous studies have produced mixed conclusions about whether consumption of soft drinks boosts the risk of pancreatic cancer.

So Mueller and his colleagues evaluated 60,524 men and women enrolled in the Singapore Chinese Health Study, begun in 1993, for up to 14 years, looking at their diet and whether they got cancer.

They asked all participants about food intake, including sodas and juices. Mueller says the researchers didn't ask specifically about diet soda consumption, but that most of the soda drunk was regular or sweetened.

In Singapore at that time, Mueller says, there was very little intake of diet soda.

"We followed the participants for 14 plus years, keeping track of different cancers," he tells WebMD.

They found 140 cases of pancreatic cancer and looked back to see if there was an association with sodas or juices.

Sodas and Pancreatic Cancer Risk: Study Results

The researchers divided the consumption of sodas and juices into three categories: none, less than two servings a week, or two or more servings a week.

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