http://articles.mercola.com/sites/articles/archive/2005/02/19/second-hand-smoke.aspxChildren who grow up with smokers in their homes are three times more likely to develop lung cancer in their later years than those children who come from non-smoking homes. A study was done that followed the progress of over 123,000 participants overenCommunityServer 2008.5 SP1 (Build: 31106.3070)