When you’re told that you have breast cancer, it’s natural to wonder what may have caused the disease. But no one knows the exact causes of breast cancer. Doctors seldom know why one woman develops breast cancer and another doesn’t, and most women who have breast cancer will never be able to pinpoint an exact cause. What we do know is that breast cancer is always caused by damage to a cell's DNA. The breast, like any other part of the body, consists of billions of microscopic cells. These cells multiply in an orderly fashion - new cells are made to replace the ones that died. In cancer, the cells multiply uncontrollably, and there are too many cells, progressively more and more than there should be. Breast cancer is an uncontrolled growth of cells that starts in the breast tissue.

Symptoms
The first symptom of breast cancer is usually an area of thickened tissue in the woman's breast, or a lump. The majority of lumps are not cancerous; however, women should get them checked by a health care professional.
Any Woman who detects any of the following signs or symptoms should tell her doctor
• A lump in a breast
• A pain in the armpits or breast that does not seem to be related to the woman's menstrual period
• Pitting or redness of the skin of the breast; like the skin of an orange
• A rash around (or on) one of the nipples
• A swelling (lump) in one of the arm.... Read all @ http://hubtiva.com/2017/02/14/breast-cancer-causes-and-symptoms/