8 November, 2025
Climate COP30

FILE - Fire crews monitor the Palisades Fire in Mandeville Canyon on Jan. 11, 2025, in Los Angeles. (AP Photo/Jae C. Hong, File)

UPDATE: New research has unveiled alarming health risks for Southern California firefighters who battled the devastating January 2023 fires in Los Angeles. These brave individuals, who fought for days against thick, dark smoke, may be facing serious long-term health consequences due to their exposure.

Dr. Jeff Burgess, a professor at the University of Arizona, led a study examining blood samples from 42 firefighters from the Los Angeles Fire Department, Oxnard Fire Department, and Orange County Fire Authority. Initial samples were taken prior to the fires, and subsequent tests revealed significant changes in blood proteins linked to immune system function and inflammation just one week after the fires.

“We know that there were some changes within the bodies of the firefighters based on this exposure,” Dr. Burgess stated. This new data raises urgent concerns about the potential for increased cancer risk among these frontline responders.

Dr. Burgess emphasized the gravity of the findings, saying, “I am always concerned when we find something that could pose an increased risk to firefighters.” He is now seeking funding to conduct further tests on these firefighters a year after the fires to determine whether the changes in their blood persist.

This research not only impacts the firefighters but also raises questions about the health of those who lived in proximity to the fires. Dr. Burgess warns that while the general public also breathed in harmful smoke, the exposure levels for firefighters were significantly higher, leading to a much greater health risk for them.

The implications of this study are profound and pressing. Firefighters are often hailed as heroes, but this research underscores the hidden dangers they face on the job. As communities continue to grapple with devastating wildfires, the health of those protecting lives and property must remain a priority.

As the situation develops, the firefighting community and public health officials are closely monitoring these findings. The next steps could shape future policies on firefighter health and safety.

Stay tuned for updates on this critical issue affecting the brave firefighters of Southern California.