1.   And, she said, the health professionals were taught to distinguish excess fat from breast tissue.

2.   As a rule, doctors dislike performing mammograms on younger women because their breast tissue is denser, making the tests harder to interpret.

3.   At the end of the trial, doctors must remove the breast to determine whether the tumor is dead and the surrounding breast tissue is unaffected.

4.   Bioengineer Craig Halberstadt, of Carolina Medical Center in Charlotte, North Carolina, designs and grows breast tissue, which may one day replace saline implants.

5.   After all, our Cave Sisters had their babies early and often, which protects breast tissue against cancer.

6.   But because younger women have denser breast tissue, mammograms are less successful at spotting early tumors than they are in older women.

7.   But estrogen is likely to stimulate the growth of breast tissue.

8.   But in the long run, pregnancy may decrease the risk by leading to a differentiation of breast tissue that appears protective.

9.   CloserLook uses computer-aided detection to find potential malignancies in breast tissue.

10.   Daling said the link between abortion and breast cancer is thought to come from changes in breast tissue driven by the hormonal changes of pregnancy.