Garland et al. (2009) review the evidence
supporting high serum levels of vitamin D and it's role in lowering the risk of
colon, breast, ovarian, renal, pancreatic, aggressive prostate and other
cancers. Data extrapolated from NHANES reports that women with higher exposure
to UVB light had half the risk of breast cancer compared to those with lower UVB
exposure. 15-year survival and
metastatic rates in breast cancer are improved with 25(OH) D serum levels
higher than 29 ng/mL. Statistics cited in this review indicate that an intake
of 2,000 IU/day of vitamin D3 would lead to 25% reduction in risk of breast
cancer and 27% reduction of risk in colorectal cancer in North America.
Garland, Cedric
F., Gorham, Edward D., Mohr, Sharif B., Garland, F. C. (2009).
Garland_2009_Vitamin_D_for_Cancer_Prevention_Global_Perspective.Pdf. Aep.
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