|Source: Dept of Defense, Wikimedia|
The firefighters who were exposed to the disaster site were 19 percent more likely to develop cancer than non-exposed colleagues, and 10 percent more likely to develop cancer than the general population.
The study confirms what many have feared since lung disorders cropped up in WTC first responders early in the past decade. The reasons for the increased disease risk is likely due to contaminants in the air after the towers collapsed - asbestos, glass fibers, lead, and toxic chemicals. However, the specific site of cancer development varied and some questions remain. Read the official press release by the researchers.