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Do Low Vitamin D Levels Increase Breast Cancer Risk?

Menopausal women with low levels of vitamin D have a higher risk of developing breast cancer, according to a new study conducted at Sao Paulo State University in Brazil. MedicalNewsToday said researchers hypothesized that higher levels of vitamin D may hinder cancer cell proliferation, playing a role not only in controlling cancer cells. They also noted that the women with breast cancer also had higher BMI levels, or obesity. The findings were reported in the journal Menopause. Study...