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Soft Drinks Do Not Increase Esophageal Cancer Risk

Study finds no link between diet carbonated soft drinks and esophageal cancer

WEDNESDAY, Jan. 4 (HealthDay News) -- Consumption of carbonated soft drinks, including diet soda, do not increase the risk of esophageal adenocarcinoma, according to a study in the Jan. 4 issue of the Journal of the National Cancer Institute.

Susan T. Mayne, Ph.D., of Yale University School of Medicine in New Haven, Conn., and colleagues examined carbonated soft drinks as a risk factor for both esophageal and gastric cancers in a U.S. multi-center, population-based case-control study.

Contrary to their proposed hypothesis, the researchers found that carbonated soft drink consumption was inversely associated with the risk of esophageal cancer. The odds ratio for esophageal cancer was 0.47 in the highest quintile of consumption compared with the lowest quintile. There was no link between high carbonated soft drink consumption, mainly in the form of diet soda, and any subtype of esophageal or gastric cancer in either men or women, according to the report.

"These findings indicate that carbonated soft drink consumption (especially diet carbonated soft drink) is inversely associated with risk of esophageal adenocarcinoma, and thus it is not likely to have contributed to the rising incidence rates," the authors write.

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