Twenty-two years after the Sept. 11, 2001 terrorist attacks, thousands of first responders and others who worked near the World Trade Center continue to suffer from health effects.

With time, many of those ailments - from PTSD to cancer - are just now emerging or getting more serious.

News 12's Brian Donohue visited the World Trade Center Health Program at Rutgers University, where 5,000 people are being treated by a team led by a beloved doctor Iris Udasin, who has been at it for more than two decades.