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Medical News and Perspectives
August 25, 2004

Cancer Risk Fears From 9/11 Attack Eased

JAMA. 2004;292(8):914-915. doi:10.1001/jama.292.8.914

Exposure to large quantities of known carcinogens released during the September 11, 2001, collapse of the World Trade Center in New York City and its subsequent cleanup apparently should have little effect on individuals who lived or worked in the area, said researchers from the University of North Carolina, Chapel Hill.

The researchers estimated that exposure to certain carcinogens released at Ground Zero only added a one person per 100 million increase in lifetime risk for individuals who lived or worked in the area. Their conclusions appeared in an online edition of the Proceedings of the National Academy of Sciences of the United States of America on July 27 (

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