It is there that the electrical impulses are interpreted into sight. Damage to the optic nerve interrupts this flow of visual information. In glaucoma, researchers believe that the ganglion cells of the retina, as well as the support cells within the optic nerve, can die for various reasons.
If you have had breast-conserving surgery, you need to continue to get mammograms. If you have had a mastectomy, you may not need a mammogram. Regardless of what breast cancer surgery you have had, you will still need to get mammograms of the unaffected breast. This is very important, because women who have had one breast cancer are at higher risk of developing a new cancer in the other breast.
Annual mammograms starting at age 40 may not be the norm anymore. Nobody enjoys getting a mammogram, but it is an essential prevention measure against breast cancer deaths. Some experts, however, are questioning how often women really need mammograms to detect cancer and ultimately save lives.