Breast cancer patients with lower levels of vitamin D were far more likely to die and far more likely to have their cancer spread than women with normal levels, Canadian researchers reported on Thursday. Women deficient in the "sunshine vitamin" when they were diagnosed with breast cancer were 94 percent more likely

Breast cancer patients with lower levels of vitamin D were far more likely to die and far more likely to have their cancer spread than women with normal levels, Canadian researchers reported on Thursday. Women deficient in the “sunshine vitamin” when they were diagnosed with breast cancer were 94 percent more likely