Ground Zero workers' lungs aged 12 years

Toxic dust and fumes around New York's collapsed World Trade Center in 2001 have aged the lungs of rescue workers by 12 years, researchers said Tuesday.

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<p><a href="http://www.physorg.com/news73666793.html">Ground Zero workers' lungs aged 12 years</a></p> <p>Toxic dust and fumes around New York's collapsed World Trade Center in 2001 have aged the lungs of rescue workers by 12 years, researchers said Tuesday. </p>