The most evident risk factors of BC include obesity, using combined estrogen and progestin hormones after menopause, alcohol consumption, early menarche, late menopause, family history of BC, and genetic predisposition especially BRCA1 and BRCA2 mutations (Friedman et al. 2006, Smith-Warner et al. 1998, Tamimi et al. 2016). The gene discussed is BRCA2; the disease is breast cancer.