Misreading of damaged DNA may spur tumor formation

The DNA in our cells is constantly under assault from oxygen, the sun's radiation and environmental stresses. Most of the time, our cells can repair the damage before it gets copied into a permanent mutation that could lead to cancer.

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<p><a href="http://www.physorg.com/news146408521.html">Misreading of damaged DNA may spur tumor formation</a></p> <p>The DNA in our cells is constantly under assault from oxygen, the sun's radiation and environmental stresses. Most of the time, our cells can repair the damage before it gets copied into a permanent mutation that could lead to cancer.</p>