Sun Exposure Key to Breast Cancer Prevention?
While we have always touted the anti-cancer benefits of vitamin D, a recent 10-year study of 67,721 post-menopausal women in France shows evidence that vitamin D plays a role in reducing the risk of breast cancer and the addition of adequate sun exposure substantially drops the risk further.
Scientists found that women living in the sunniest places in France, such as Provence, had only half the breast cancer risk compared with women in less sunny latitudes such as Paris. Women with the highest dietary vitamin D intake and the most generous sun exposure had the most significant protection from developing breast cancer. Interestingly, women with the lowest vitamin D intake but the highest sun exposure still had a 32% lower risk of breast cancer than their counterparts living in less sunny areas.
Sources: Cancer Epidemiol Biomarkers Prev. 2011 Jan;20(1):187-98. Epub 2010 Dec 2. Cancer Epidemiol Biomarkers Prev. 2010 Sep;19(9):2341-50. Haematococcus astaxanthin: applications for human health and nutrition; livestrong.com
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