A long-term health crisis affects many people who were at the site of the Sept. 11 terrorist attacks. Thousands were exposed to toxic dust and debris. The health impacts are still being felt today.

Newly released information has brought attention to this issue again. A health program has been established to support those affected, with over 140,000 people enrolled.

Further details about the health crisis and the program are available, including the experiences of those who worked at the site after the attacks.