Women's Health Weekly
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Journal of the National Cancer Institute
Calcium plus vitamin D supplementation is not associated with a reduced breast cancer risk
November 27th, 2008
Taking calcium and vitamin D supplements does not reduce breast cancer incidence in postmenopausal women, according to data from a randomized, doubled-blind, placebo-controlled trial published online November 11 in the Journal of the National Cancer Institute. Several observational and preclinical studies have suggested that vitamin D supplements may reduce breast cancer risk, but results have been inconsistent. To test this possibility, researchers evaluated breast cancer incidence as a secondary endpoint in the Women's Health Initiative study in 36,282 postmenopausal women who were randomly assigned to take 1,000 mg of calcium plus 400 IU of...
Source: Women's Health Weekly (2008-11-27)
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