Breast Cancer Risk Higher If Estrogen Or Testosterone Levels Higher
 

The risk of breast cancer is greater if levels of hormones estrogen or testosterone are higher in post-menopausal women, researchers from Brigham and Women's Hospital reported in Breast Cancer Research, an open-access BioMed Central journal. The researchers examined six different growth and sex hormones and discovered that higher levels raised breast cancer risk by 16% for each one...

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