Breast Cancer
The most leading cause of death in women
The causes of breast cancer
Researchers do not how normal cells suddenly become cancerous. Thus, the fundamental cause or causes are still puzzle. The factors that contribue to breast cancer are:
- Family history of breast cancer occurring in mother or sister
- Early onset (beginning) of menstruation and late menopause. Menopause is the end of menstruation.
- Reproductive history. Women who have no children or have children late in life have increased risk women who have never breast-fed also have increased risk.
- History of abnormal breast biopsies. A biopsy is a medical procedure in which a small sample of tissue is removed for study under a microscope
The acknowledge risk factors are limited value. More than 70 percent of women who develop breast cancer have no known factors.