Females who fulfill the following criteria are prone to develop breast cancer. Controllable risk factors for breast cancer • Excessive alcohol consumption • Obesity • Breast implants • Choosing not to breastfeed • Hormone replacement therapy Non-controllable risk factors for breast cancer • Female gender • Dense breasts • Age more than 55 • Menarchy before 12 and menopause after 55 • No children or first child after the age of 30 • Family history • Exposure to diethylstilbestrol (DES)