Ten Years After the Attacks On the World Trade Center, Human Health Cost Is Still Being Counted

The World Trade Center disaster exposed nearly half a million people to hazardous chemicals, environmental toxins, and traumatic events. According to research published in the December 2011 issue of Elsevier-published journalPreventive Medicine, this has resulted in increased risk of developing physical and mental health conditions after 9/11.

"The New York City Health Department's volunteer and heart disease studies in this issue ofPreventive Medicine reinforce the importance of tracking the long-term physical and mental health effects of 9/11 and help inform planning for future 9/11-related health care needs," said New York City Health Commissioner Dr. Thomas Farley.

A study of volunteers who turned out in the thousands to assist the 9/11 rescue operation, shows they, along with others who were directly exposed to the events of the 9/11 disaster, are now suffering from a range of physical and mental illnesses. At particular risk for poorer health outcomes are volunteers not affiliated with groups such as the American Red Cross, whose earlier arrival at the WTC sites and day-to-day work left them less prepared for the horrific events and injuries of 9/11.

Volunteers not affiliated with an organization were more highly exposed to the WTC disaster than volunteers affiliated with recognized organizations and were at greater risk for developing physical and mental health conditions after 9/11, according to the volunteer study. The study showed the need to provide volunteers with long-term screening and treatment for 9/11-related conditions that resulted from hazardous exposures.

A study of adults exposed to 9/11 found that being in the dust cloud, being injured on 9/11, or developing posttraumatic stress disorder increased the risk of developing heart disease years after the disaster.

"This exploratory heart disease study suggests that adults who were directly exposed to the World Trade Center disaster and its aftermath have an increased risk for heart disease," said Dr. Hannah Jordan, first author of the study. "It will be important to confirm and expand upon these findings so that appropriate steps can be taken to prevent heart disease in this population."

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