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"Second-hand smoke is the nation's No. 1 airborne carcinogen, killing more people than all other forms of air pollution combined."
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Copyright © 1997-2008 HealthBoard.com
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"Second-hand smoke is the nation's No. 1 airborne carcinogen, killing more people than all other forms of air pollution combined."
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Copyright © 1997-2008 HealthBoard.com