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Vitamin C Supplementation Linked to Decreased Risk Of Stomach Cancer

James Meschino DC, MS, ROHP

Reporting in the October issue of Cancer Epidemiology Biomarkers and Prevention, researchers reported that taking Vitamin C supplements may lower risk of common types of  stomach cancer by 40%. This data was compiled as part of a large analysis involving case-control studies compiled from three regions, and included a total patient population of 1,095 Americans diagnosed with cancer of the esophagus or stomach, and 687 controls who were cancer- free. Vitamin C users had a 40% lower risk of cancer in the middle and lower parts of the stomach. Vitamin C has been shown to block the formation of cancer-causing nitrosamines within the intestinal tract, and a number of epidemiological studies have linked higher Vitamin C intake with decreases risk of gastrointestinal tract cancers, including the esophagus, stomach, pancreas and colon. The researchers conclude: “Our results support the hypothesis that Vitamin C supplementation reduces the risk of cancer of the middle and lower parts of the stomach. However, definitive proof of this hypothesis would require a randomized clinical trial.”

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