Study: Extending Tamoxifen saves lives

Published On: Dec 05 2012 05:33:30 PM CST   Updated On: Dec 05 2012 05:54:12 PM CST

Dec. 5, 2012: Tamoxifen has been extremely effective in reducing breast cancer deaths. New research shows it could be more beneficial if it is taken for twice as long. Rachel McNeill reports.