Breast Cancer Causes
breast is an organ composed mainly of fat, glands and milk ducts (also called lactiferous ducts, galactophorous ducts, mammary
ducts, or mamillary ducts). During periods of lactation, the glands produce milk, which is
transported to the nipple by the ducts. In a healthy breast, cells group together to form tissues. Each tissue
works together synchronously and harmoniously to perform a similar function. The breast tissue is influenced by
hormones estrogen and progesterone, two hormones produced by women in variable amounts throughout their lives:
puberty, pregnancy, lactation, etc.
occurs when a group of normal cells begin to transform and divide in an uncontrolled manner to become malignant.
If your immune system is healthy enough, these tumor cells will be destroyed. Otherwise, these diseased cells
continue to multiply to form a malignant tumor (cancer), first limited within the breast; in fact, these cancer
cells can remain in the breast asymptomatically for months or years. With time, however, they travel through the
lymphatic system or bloodstream to invade other organs distant from the breast to form new tumors called
Despite advances in medical
science, the exact causes of breast cancer are still not well known. However, many conditions are suspected in
the development of the disease. For example, immediate family history of breast cancer represents 5-10% risk
factor of the disease. In addition, excess weight, diet rich in animal fats, lack of pregnancy, late first
pregnancy, early onset of menstruation, late menopause, certain forms of mastopathy (any non malignant disease
or pain of the mammary gland), and malignant tumor of the large bowel, uterine or ovaries also seem to
contribute in the development of breast cancer.