Studies Examine Cancer, Deaths from 9/11 Dust | NBC New York

Studies Examine Cancer, Deaths from 9/11 Dust

Two major medical studies have concluded there were no "significant" increases in deaths or cancer among people exposed to dust from the World Trade Center, but firefighter advocacy groups are arguing the opposite, saying the numbers are telling enough to indicate a strong correlation between the ground zero dust and increased cancer cases. Andrew Siff reports.

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