When we think of the events at the twin towers in New York after the terrorist attacks on 11 September 2001, the first thing we might remember was the courage of the so-called first responders. They stepped into the chaos, moving towards the danger, not away from it, putting human grit and sacrifice into action. Yet a more disturbing narrative about that fateful day is now emerging, with the news that first responders to the 9/11 terrorist attacks face an increased risk of dementia.
In an eye-opening paper appearing in Alzheimer’s Dementia, the researchers tracked the health histories of some 1,000 responders in the World Trade Center Health Program, a group of first responders that includes New York’s firefighters and police officers. It turns out that a dose of 9/11 is predictive of dementia among the WTCHP first responders. The research was conducted by scientists from the Icahn School of Medicine at Mount Sinai.
Their ringleader is Dr David Prezant, who began studying the threat of dust late last year: ‘We found that the exposure to 9/11 is associated with an increased risk for dementia of first responders versus those not responding.’ An in-depth analysis of 1,011 first responders determined that the workers who were more exposed for longer periods before the dust was removed and those who were working closer to the WTC – as opposed to those farther away – are significantly more likely to get dementia.
Perhaps the sinister aspect of these heroes’ dementia is borne from the potent, cumulative toxic cocktail of substances released in the attacks, combined with profound trauma and stress. This third factor reminds us of the complex dance between the environment and mental health following catastrophic events.
The lessons of this study are grim, but also a call to arms: that we must keep a monitor on the 9/11 first-responders’ health for the rest of their lives, and also build them the strongest social supports possible that will prepare them as they enter into their golden years. With their golden years, it is our responsibility as a society to ensure that we are supporting not only their physical health but their mental health in order to combat the lasting effects of trauma-related illnesses.
Its implications reverberate far beyond New York, suggesting the possibility of similar patterns in other groups repeatedly exposed to traumatic events. It sets a new gold-standard of research not only in triggering exciting possibilities for the prevention or amelioration of dementia in all its forms, but in those populations everywhere affected by a spate of natural disasters or human conflicts.
The fight against dementia in 9/11 first responders exemplifies the need for a broader understanding of the long-term consequences of trauma – and the imperative to both care for these men and women and to call on our leaders to support a public health movement where science can show the way forward to both relieving the burden of disease now and preventing it in the next generation.
The men and women who rushed into the smoke heading toward the Twin Towers, the police and firefighters and other first responders who lost their lives in the buildings, and those who survived but now suffer from the medical consequences, will become a part of our collective memory of that day and its aftermath. And that’s how it should be. But let’s hope that the giant radiation cloud that arose above lower Manhattan – and that hung over its inhabitants because of the numerous airborne toxins that floated over Manhattan and spread across the eastern seaboard of the United States – will not itself be forgotten or pushed to the margins of our collective memory, just as the people who continue to fight the battle against the multitude of 9/11-related medical conditions.
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