Medical experts concluded that the environmental degradation after 9/11 had serious consequence to the health of people who lived or worked in the Twin Tower area and especially those who did clean up work.
Conclusion of medical authorities:As of August 2013.
Diagnosed with cancer - 1140 people who worked lived or studied in Lower Manhattan.
Workers at the scene days and months after the attack - 1400 died.
https://en.wikipedia.org/wiki/Casual...ber_11_attacks