1.   But most cancers failed to respond at all to the largest doses which were tolerated by healthy tissues.

2.   While the lasers could do the job, they would cause too much damage to the healthy tissue, he said.

3.   The new technique attacks cancer but NOT healthy tissue, and has already worked in tests on animals.

4.   Among other things, surgeons are also using it to ensure they remove breast tumors completely without taking healthy tissue.

5.   And studies are finding that healthy tissue is preferable to organs taken from dead people.

6.   As a result, blood was able to flow normally again, promoting the growth of healthy tissue.

7.   At the time, it was painless and surrounded by healthy tissue.

8.   Binder eventually was treated with cryosurgery, which freezes and kills the tumor while leaving healthy tissue unharmed.

9.   But adults with AIDS could benefit from this infusion of healthy tissue, doctors reason.

10.   But he refuses to extract healthy tissue when patients want to do it solely on the basis of genetic history and no other indicators.