Report: Secondhand smoke bad at any level

There is no safe level of how much exposure a person has to secondhand tobacco smoke, the U.S. Surgeon General said in a report issued Tuesday.

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<p><a href="http://www.physorg.com/news70638207.html">Report: Secondhand smoke bad at any level</a></p> <p>There is no safe level of how much exposure a person has to secondhand tobacco smoke, the U.S. Surgeon General said in a report issued Tuesday.</p>