Long work hours: more injuries, illnesses

U.S. researchers say there's new evidence that overtime and long work hours result in more occupational injuries and illnesses.

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<p><a href="http://www.physorg.com/news5881.html">Long work hours: more injuries, illnesses</a></p> <p>U.S. researchers say there's new evidence that overtime and long work hours result in more occupational injuries and illnesses. </p>