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Vitamins, Health Supplements, Anti Aging Supplements: Life Extension Update 

Meta-analysis links greater calcium intake to lower colorectal cancer risk

Tuesday, March 25, 2014. The results of a dose-response meta-analysis published online on March 13, 2014 in theInternational Journal of Cancer support a reduced risk of colorectal cancer among men and women with a higher intake of calcium.

Edward L. Giovannucci, ScD, of Harvard School of Public Health and colleagues selected 21 publications reporting 20 prospective observational studies for their analysis. Analysis of overall intake of calcium, which involved studies that included a total of 1,415,597 participants among whom 12,305 cases of colorectal cancer occurred, uncovered an 8% lower risk of the disease in association with each 300 milligram per day increase in calcium intake. Those whose consumption of calcium averaged 1,000 milligrams per day (mg/day) had an 18% lower risk of the disease compared to those whose intake was 250 mg and among those whose intake was 1,750 mg, the risk was 26% lower.

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