James Riches, the former New York City deputy fire chief and a national spokesman for families who lost loved ones on 9/11, became the latest firefighter to die from an illness related to the attack. More.

Former NYPD officer, FDNY firefighter and Blauvelt volunteer fire department member Pieter C. Grosbeck of Orangeburg died Dec. 9. Grosbeck's death was related to the 9/11 World Trade Center rescue and recovery efforts. He was 63. More.

Researchers from the Icahn School of Medicine at Mount Sinai have found that post-traumatic stress disorder (PTSD) may be linked to accelerated brain aging among World Trade Center (WTC) responders involved in rescue and recovery operations after the 9/11 terrorist attacks. More.

Mount Sinai researchers used artificial intelligence and more than 11,000 brain scans to estimate each participant's "brain age" in the study. More.

The Fire Department of the City of New York (FDNY) Commissioner Robert S. Tucker will announce the FDNY's plans to commemorate the 25th Anniversary of the September 11th attacks. The yearlong plan will honor the 343 FDNY members who made the Supreme Sacrifice that day and the more than 400 members who have died since from World Trade Center related illnesses. More.

We are off to a chilly start to the month of December — through its first week, our average temperature is running nine degrees below average, the coldest first week of December in 15 years. More.

Investigating and reviewing events from decades ago is extremely complex, where evidence is often lost, contaminated, or diminished over time. This applies in all jurisdictions and to all crimes. More.

Environmental exposures are linked to precancerous hematologic conditions, but studies in cohorts with well-defined exposures are limited. We sequenced blood samples from a large cohort of first responders exposed to the aerosolized dust and carcinogens from the 9/11 World Trade Center (WTC) disaster. More.