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Powel Brown, director of the cancer prevention vitamin b12 vitamin program at the Tyson and Sue Colin Breast Center at Baylor College of Medicine in Houston. vitamins All were between 50 and 79 extent old, with no history of breast cancer. The researchers found no association between vitamin D and calcium intake and the risk of breast cancer. News Articles 1 2 3 4 5 Next Article. To further assess any endowment role of vitamin D, the researchers compared baseline measures of 25-hydroxyvitamin D levels in the vitamins 1,067 women who developed breast cancer during the study to a randomly ratified control group of 1,067 women without cancer. The women were randomly assigned to receive either 1,000 milligrams of calcium plus 400 international units daily of vitamin D, or a placebo for an average of seven years. Levels of 25-hydroxyvitamin D indicate how much vitamin D is circulating in the body. Latest Cancer News Black Cohosh Tied to Breast Cancer Spread Migraine Might Lower Breast Cancer Risk Free Web Site Lists Breast Cancer Clinical Trials Negative Cancer Messages Backfire With Blacks Genetic Markers for Esophageal Cancer Found Want health vitamins More News. However, Brown was quick to point out that the study didn't look at premenopausal adulthood. During the study, the women -- regardless of which group they were assigned to -- were allo to take additional calcium and vitamin D supplements. The current study was a double-blind, placebo-controlled vitamins minerals trial that included 36,282 postmenopausal women. Sign Up for MedicineNet Newsletters "The message is that there's benefit from calcium and vitamin D for fracture risk, but taking those supplements won't be doing much for breast cancer risk. You wouldn't expect that you're doing it to improve breast cancer outcome," said study Rowan Chlebowski, a medical oncologist at the Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center in Los Angeles. "This trial is disappointing in that it does not demonstrate a significant cancer preventive effect from vitamin D and calcium in postmenopausal women," said Dr. Results of the study were released online and were expected to be published in the issue of the Journal of the National Cancer Institute. Previous observational studies had suggested that there might be a findlay between calcium, vitamin D, and the risk of breast cancer, but results were mixed, and none of the trials were randomized studies, which is considered the gold standard for research. Black Cohosh Tied to Breast Cancer Spread Printer-Friendly Format Email to a Friend. After adjusting the data to control for physical activity and body-mass index, the researchers again found that vitamin D levels weren't associated with a decreased breast cancer risk. "It may be that the benefit of vitamin D in cancer prevention may be restricted to premenopausal women," he said, adding that the study "doesn't diminish the positive effects on silvano health from vitamin D and calcium." Brown, who co- 2008.
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