Can Patching Up Genes Nip Cancer In The Bud?

Scientists struggling against cancer have learned that it is typically caused by damage to DNA--genetic material--within cells. Cells with damaged DNA divide uncontrollably, forming tumors and spreading throughout the body. In conventional radiation or drug therapies, the idea is to kill all of these cells. But researchers are also pursuing a more ingenious approach. The body can fix some DNA damage, at least in some organs and cell types. Scientists want to harness that natural repair process to fix DNA damage before it triggers carcinoma.

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