Scientist: Infections can cause cancer

A U.S. scientist says cancer -- known to be caused by genetic cell mutations -- can also be caused by infections from viruses, bacteria and parasites.

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<p><a href="http://www.physorg.com/news116090054.html">Scientist: Infections can cause cancer</a></p> <p>A U.S. scientist says cancer -- known to be caused by genetic cell mutations -- can also be caused by infections from viruses, bacteria and parasites. </p>