Sugary Soft Drinks and Pancreatic Cancer
February 8/London/Nursing Times -- As little as two sugary soft drinks consumed a week can almost double the risk of developing pancreatic cancer, one of the most deadly forms of cancer, a study has found.
Scientists believe the high sugar content of many soft drinks may explain the trend. Since pancreatic cancer is relatively rare -- affecting around 7,600 people each year in the U.K. -- the absolute risk from soft drinks is small.
However, those diagnosed with the disease have a poor prognosis. Only 2% to 3% of patients in the U.K. survive as long as five years.
Researchers based their findings on more than 60,500 participants recruited for a large-scale health study in Singapore.
Over the course of 14 years, 140 of the volunteers were diagnosed with pancreatic cancer.
People who consumed two or more soft drinks a week -- averaging five in total -- had an 87% increased risk of developing the disease compared with those who did not.
In general, the "soft drinks" concerned were of the fizzy, sugar-sweetened variety.
No association was seen between the consumption of fruit juice and pancreatic cancer.
Study leader Dr Mark Pereira, from the School of Public Health at the University of Minnesota in the U.S., said, "The high levels of sugar in soft drinks may be increasing the level of insulin in the body, which we think contributes to pancreatic cancer cell growth.
"Singapore is a wealthy country with excellent healthcare. Favorite pastimes are eating and shopping, so the findings should apply to other Western countries."
The research is published today in the journal Cancer, Epidemiology, Biomarkers & Prevention.
From the February 15, 2010, Prepared Foods E-dition
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