After the attacks, many people felt compelled to reach out to distant friends and family, and to volunteer for charitable organizations, Gurwitch said.
The 10th anniversary may be an opportunity for that as well, she added. Remind children of the heroism of the first responders and volunteers who went to Ground Zero to help, or of the importance of stamping out hate, intolerance and violence.
"This is a window for you to communicate your ideas about tolerance, respect for differences, and to make a difference in your community," Gurwitch said.
Immediately after the attacks, research done on children in New York who did not lose a family member or were not otherwise directly affected found a modest uptick in symptoms of anxiety. For the vast majority of U.S. children, studies found no lingering mental health issues, Cohen Silver said.
And yet, reports of college students celebrating the death of Osama bin Laden raises the question of whether the young were altered by the attacks in ways psychologists don't fully understand.
Despite their resilience, no one -- children included -- have forgotten, Mallory Ham said.
"It's stayed with everyone. It's definitely something no one is going to forget. It's a day to be remembered for so many years to come," Ham said.
Coming Friday: Harris Interactive/HealthDay poll measures 9/11's toll 10 years later.
The American Academy of Pediatrics has more on talking to chi
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