Breast Cancer natural Support Risk Factors for Developing Breast Cancer Age Age > 65 years (compared to a 35-year-old woman): Relative risk: >4 Family History: Two first-degree relatives (diagnosed at an early age): Relative risk: >4 One first-degree relative (diagnosed at an early age): Relative risk: 2-4 Personal History: Abnormal biopsy: Relative risk: 2-4 Abnormal […]