Study shows how cigarette smoke blocks cell repair

Cigarette smoke can turn normal breast cells cancerous by blocking their ability to repair themselves, eventually triggering tumor development, University of Florida scientists report.

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<p><a href="http://www.physorg.com/news75392269.html">Study shows how cigarette smoke blocks cell repair</a></p> <p>Cigarette smoke can turn normal breast cells cancerous by blocking their ability to repair themselves, eventually triggering tumor development, University of Florida scientists report.</p>