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Full-text evidence summary
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Breast cancer Introduction
Breast cancer is the cancer for which the evidence of a beneficial role of vitamin D is strong.
Breast cancer is the cancer for which the evidence of a beneficial role of vitamin D is strong. There is ample evidence from numerous ecological (geographical), cross-sectional (pictures in time), prospective (looking forward), and case-control studies (looking forward with a control group), meta-analyses (combination) of such studies, and laboratory investigations of mechanisms. A meta-analysis of prospective studies indicates that breast cancer incidence falls as a power law fit vs. serum 25-hydroxyvitamin D [25(OH)D] level, with lowest risk for those with serum 25(OH)D levels near 150 nmol/L (60 ng/mL). Survival rates after diagnosis are higher for those with higher serum 25(OH)D levels at time of diagnosis.
Page last edited: 22 August 2011
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