(NaturalNews) New research out of the Georgetown University Medical Center (GUMC) in Washington, DC, has found yet another link between high vitamin D intake and a reduced risk of breast cancer. Presented at the American Association for Cancer Research (AACR), the findings reveal that high doses of vitamin D are linked to a 50 percent reduction in tumor cases, and a 75 percent reduction in overall cancer growth among those who already have the disease.
For several years now, researchers have observed a correlation between low vitamin D levels and high rates of disease, including breast cancer. As a result, many of them have initiated various studies designed to verify whether or not a causative link exists between vitamin D deficiency and disease. So far, the results suggest that vitamin D plays a critical role in preventing and treating disease.
In the GUMC study, researchers evaluated mice with breast cancers sensitive to estrogen, which is the most common type, as well as those with breast cancers not sensitive to estrogen. In both cases, vitamin D supplementation proved to help inhibit the development and growth of breast cancers. Estrogen-sensitive breast cancers in particular, though, seemed to respond best to the vitamin D.
Earlier this year, French scientists found that getting vitamin D from both supplementation and the sun is the most effective way to prevent and treat breast cancers. A team from France's version of the US National Institutes of Health (NIH) pored through the records of over 67,000 women and found that those who lived in the sunniest areas of southern France had a 50 percent reduced risk of developing cancer compared to those living in less sunny areas. And those who got their vitamin D primarily from sunshine rather than from their diets were 32 percent less likely than others to develop breast cancer (http://www.naturalnews.com/031042_breast_cancer_sunshine.html).
Currently, there are two major human trials on vitamin D being conducted in the US. These studies are meant to verify what previous studies have found concerning the effect of vitamin D on animals -- mainly that high-dose vitamin D is an effective and natural intervention for preventing and treating disease in humans.
Editor's Note: NaturalNews is strongly against the use of all forms of animal testing. We fully support implementation of humane medical experimentation that promotes the health and well-being of all living creatures.
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