NaturalNews) As NaturalNews has covered for years, researchers have found a profound link between breast cancer and low levels of vitamin D (http://www.naturalnews.com/023264_V…). Women with the lowest blood levels have the highest breast cancer risk and those dying of metastasized disease are the most vitamin D deficient of all. Scientists have theorized vitamin D has anti-cancer properties that influence cell growth, healthy cell differentiation and programmed cell deat (apoptosis).