CNN: Firefighters responding to 9/11 at increased cancer risk
It is an unexpected finding considering that for most cancers, the latency period — the time between exposure to a carcinogen and expression of disease — tends to span decades.
“My initial bias was that for the first 10 or 15 years we would not see an increase,” said Prezant. “That’s another reason I think our findings are so strong, because I actually thought we would find the opposite.”
Read more at CNN

