Breast Cancer Risk Factors

Cancer occurs due to mutations or changes in the genes responsible for regulating the normal growth of cells and keeping them in a healthy condition. These mutated genes may be inherited from parents, or may result from external influences of radiation or cancer-causing chemicals, or wear and tear during the ageing process. Hormones also play a major role in the development of breast cancer.

Factors that could increase the risk of developing breast cancer

• Age
• Being a woman
• Family or previous history of breast cancer
• A history of ADH, DCIS or LCIS
• BRCA 1 or 2 positive
• Dense breast tissue
• Early menstruation (before age 12) and late menopause (after age 55)
• Use of birth control pills
• Use of HRT
• Heavy smoking and alcohol consumption
• Being overweight or obese
• Not breastfeeding after child birth