**2. Breast cancer risk factors**

BC is associated with the following epidemiological risk factors: (a) a younger age at the first menstrual cycle and during the first birth, (b) pre-menopause is the prime factor in most BC patients, (c) civilization is an unavoidable outcome of increased risk for BC fatalities, (d) socio - economic background is an unbiased predictor of sophisticated extent at assessment in breast cancers, and (e) obesity and higher BMI are epidemiological risk factors for BC (**Figure 1**).
