High doses of vitamin D can reduce the risk of developing some common cancers (including breast cancer) by as much as 50%, according to a recent US research paper in The Archives of Internal Medicine.
The suggested dose is one thousand milligrams of calcium and 200 to 600 units of vitamin D a day.
Researchers studied 10,578 premenopausal and 20,909 postmenopausal women, using data gathered as part of a larger long-term study of women’s health. All the participants had filled out extensive dietary questionnaires, and the researchers computed their intake of vitamin D and calcium. During an average 10 years of follow-up, 276 premenopausal and 743 postmenopausal women were found to have invasive breast cancer.
Although experts said more research was required researchers reviewed
63 old studies and found that the vitamin could reduce the chances of developing breast, ovarian and colon cancer, and others.
For more information:
- See this post by Beth Richardson
- Research the efficacy of Vitamin D in this HealthNotes Reference article
- See this article on Vitamin D and Colon Cancer
- click on this BBC article;
- go to this NY Times article;
- or See the American Journal of Clinical Nutrition for an Abstract Report.
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