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Decades after 9/11, toxic dust and PTSD may be accelerating brain aging among first responders

<name>Roberto Lucchini, Professor of Occupational and Environmental Health Sciences, Florida International University</name> <foaf:homepage rdf:resource="https://theconversation.com/profiles/roberto-lucchini-1262580"/>· 2 septembre 2026

The aftermath of the World Trade Center attacks casts a long shadow on survivors. Adam Gray/Getty Images Hundreds of first responders have told me they remember exactly how they felt during the World Trade Center attacks, even 25 years on. They tell me that they remember not being able to think, se…

Résumé

9/11 responders' memories

First responders who worked at the World Trade Center (WTC) on September 11, 2001, report vivid memories of the event even 25 years later.

They describe being unable to think clearly due to the overwhelming sights, sounds, and smells, focusing solely on rescue efforts.

The trauma of the event, including the constant presence of death and the need to recover survivors or remains, left deep emotional scars.

The author, a physician in occupational health, notes that similar experiences occur in other disasters worldwide, such as earthquakes in Venezuela, Colombia, and Indonesia, or floods in Nepal.

These responders often face toxic dust, fumes, and cries for help, which contribute to long-term mental and physical health challenges.

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