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Multivitamins May Prevent Breast Cancer, Study says

Apr 19, 2010
Women may lower their risk of developing breast cancer by taking complex vitamin supplements together with calcium supplements, a new study suggests.

During the study conducted at Ponce School of Medicine in Ponce, Puerto Rico scientists studied 286 women, diagnosed with breast cancer and 457 women without breast cancer. They evaluated the women's vitamins and calcium intake and also determined if the women's DNA was able to repair itself, which plays an important role in preventing breast cancer.

Older age, family history of breast cancer and lack of breastfeeding was strongly linked to the increased risk of breast cancer.

The findings showed that women taking vitamins supplements had 30 percent lower risk of developing breast cancer, while women taking calcium supplements had 40 percent reduced risk of breast cancer.

However, without a woman's DNA ability to repair itself, calcium did not have a protective effect, while vitamins' effect remained helpful  in preventing breast cancer.

Jaime Matta, a professor of pharmacology, physiology and toxicology at Ponce School of Medicine said that it is still not clear which vitamins were the most beneficial for women. They pointed out that the combination of various vitamins might have a protective role, not a single vitamin.

The study will be presented at the American Association for Cancer Research conference in Washington, D.C.

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