Sean Moloughney, Editor04.04.17
While results were not “statistically significant,” a large randomized clinical trial published in JAMA titled “Effect of Vitamin D and Calcium Supplementation on Cancer Incidence in Older Women,” provides evidence that higher blood levels of vitamin D, specifically 25-hydroxyvitamin D (25(OH)D), may reduce cancer risk, according to researchers.
Evidence from previous research suggests that low vitamin D status may increase the risk of cancer. This study sought to determine if dietary supplementation with vitamin D3 and calcium could reduce the risk of cancer among older women. Funded by the National Institutes of Health, the study was conducted by Creighton University with cooperation from the University of California San Diego.
This four-year, double-blind, placebo-controlled, population-based clinical trial included 2,303 healthy postmenopausal women 55 years or older with a mean baseline serum 25-hydroxyvitamin D level of 32.8 ng/mL. Subjects were randomized to a treatment group (1,156) or a placebo group (1,147). The treatment
Evidence from previous research suggests that low vitamin D status may increase the risk of cancer. This study sought to determine if dietary supplementation with vitamin D3 and calcium could reduce the risk of cancer among older women. Funded by the National Institutes of Health, the study was conducted by Creighton University with cooperation from the University of California San Diego.
This four-year, double-blind, placebo-controlled, population-based clinical trial included 2,303 healthy postmenopausal women 55 years or older with a mean baseline serum 25-hydroxyvitamin D level of 32.8 ng/mL. Subjects were randomized to a treatment group (1,156) or a placebo group (1,147). The treatment
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