close Tunnel to Towers Tower climb honors 9/11 heroes at One World Trade Center Adam Klotz reports live from the Tunnel to Towers 10th Annual Tower Climb at One World Trade Center, honoring 9/11 first responders and victims in New York City. NEW You can now listen to Fox News articles! A study of World Trade Center responders found that PTSD is associated with molecular changes linked to accelerated biological aging and a higher risk of chronic disease. The study, led by Stony Brook University