A study of nearly 13,000 rescue workers from the Fire Department of the City of New York (FDNY) shows that the significant proportion who suffered acute lung damage after exposure to World Trade Center (WTC) dust have not recovered normal lung function in the years since the September 11, 2001 terrorist attacks. This seven-year study, with almost 62,000 individual measurements, is the largest longitudinal study ever reported of occupational influences on lung function. It is the only group of WTC workers for which pre-9/11 lung function measurements were available...
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