(WATCH VIDEO) 12 Important Things Every Woman Should Know About Her Bre!ast.

 

 1. The average U.S. woman wears a size 40 D bra. This equates to about 3 lbs total or 1.5 lbs per breast.

2. In most women, the left breast is usually slightly larger than the right. Very few women have perfectly symmetrical breasts. A slight difference in size — up to 20 percent — between the right and left breast is normal. Sudden changes are not, though, and are reason to talk to your doctor.

3. Breasts normally grow for about two to four years after a girl gets her first period.

4. Breast cancer is the second deadliest cancer for women. Lung cancer is the first.

5. Men can get breast cancer too. There will be an estimated 2,190 new cases of male breast cancer in 2014. Peter Criss of the rock group Kiss is a breast cancer survivor.

7. The state with the highest incidence of breast cancer is Massachusetts. According the United States Centers for Disease Control (CDC), there are 139.5 new cases per 100,000 female residents in the state.

8. The state with the lowest incidence of breast cancer is Arkansas. The CDC reports 101.9 new cases per 100,000 female residents.

9. The International Agency for Research on Cancer has found evidence that night-shift work might be linked to an increased risk of breast cancer.

10. By the end of 2014, an estimated 232,670 new cases of invasive breast cancer are expected to have been diagnosed in American women. An additional 62,570 new cases of non-invasive (in situ) breast cancer are expected as well