The Sept. 11, 2001 terrorist attacks were the worst acts of terrorism on American soil to date. Designed to instill panic and fear, the attacks were unprecedented in terms of their scope, magnitude and impact on the American psyche. The vast majority (over 60 percent) of Americans watched these attacks occur live on television or saw them replayed over and over again in the days, weeks and years following the attacks. As we reflect on the anniversary of this tragic event, a question to consider is: How has this event impacted those individuals who are too young to remember a world before 9/11? PTSD and Ground Zero Many of the outcomes on which my team and I focus involve mental health, such as post-traumatic stress symptoms (PTS) and post-traumatic stress disorder (PTSD). Post-traumatic stress symptoms include feeling the event is happening again (e.g., flashbacks, nightmares), avoiding situations that remind individuals of the event (e.g., public plac...