Low Vitamin D Linked to Colon Cancer

Low levels of circulating vitamin D are associated with a greater risk of colorectal cancer, European researchers say. A case-control study found that people in the top fifth of vitamin D levels had 40 percent lower risk for colorectal cancer than those in the bottom fifth, according to Mazda Jenab of the International Agency for Research on Cancer in Lyon, France, and colleagues. But more research is needed to see if increasing circulating vitamin D can effectively reduce the risk of the...Full Story
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