Many lung cancer cases in nonsmokers: study
(Reuters)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/nm/20070209/hl_nm/cancer_lung_dc"><img src="http://d.yimg.com/us.yimg.com/p/nm/20070209/2007_02_09t144355_450x343_us_cancer_lung.jpg?x=130&y=99&sig=OnkrVpYBMPvagiy0HYOTRw--" align="left" height="99" width="130" alt="A man holds a cigarette in a file photo. Up to 20 percent of women who develop lung cancer have never smoked, U.S. researchers found in a study that suggests secondhand smoke may be to blame. (Kim Kyung-Hoon/Reuters)" border="0" /></a>Reuters - Up to 20 percent of women who
develop lung cancer have never smoked, U.S. researchers found
in a study that suggests secondhand smoke may be to blame.</p><br clear="all"/>