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Donald Berry, a biostatistics professor at the University of Texas MD Anderson Cancer Center in Houston, said the study has too many limitations to draw any definitive conclusions.

“There’s no evidence that 9/11 caused any of these cancers,” Berry said.

He pointed out that no increased risks were found for lung cancer _ a cancer that might seem plausible after breathing lots of toxic dust and smoke.




World Trade Center health effects:


AP Medical Writer Lindsey Tanner can be reached at