World Trade Center responders: PTSD and respiratory illness linked

World Trade Center responders: PTSD and respiratory illness linked: More than 10 years after 9/11, when thousands of rescue and recovery workers descended on the area surrounding the World Trade Center in the wake of the terrorist attacks, a research team has published results of a study examining the relationship between the two signature health problems among WTC first responders—respiratory illness and post-traumatic stress disorder (PTSD).