Why we built a cancer fund

Fire is no longer what kills most firefighters. Cancer is. Modern building materials burn into something far more toxic than wood ever did, and a career of that exposure accumulates.

~80% of the line-of-duty deaths the IAFF honored in 2025 were attributed to occupational cancer, 247 of 311 members.
14% higher cancer death rate among nearly 30,000 career firefighters tracked by NIOSH, against expected U.S. rates.
$10k–$25k+ what a diagnosis can cost a family out of pocket in a year, with good insurance, once travel and lost income are counted.

Which cancers, and how much more

Relative risk of being diagnosed, firefighters vs. general U.S. population. Incidence only; mortality figures are in the table below.
Testicular cancer 2.02×
Esophageal cancer 1.62×
Multiple myeloma 1.53×
Non-Hodgkin lymphoma 1.51×
Skin cancer (melanoma) 1.31–1.39×
Prostate cancer 1.28×

Melanoma is published as a range; the bar is drawn at the low end, 1.31×. Figures from LeMasters et al. (2006), a meta-analysis of 32 studies.

Every figure, including mortality

Diagnosis risk and death risk are different measurements from different studies. Mixing them into one number would be wrong, so here they are separately.

Firefighter cancer risk and mortality figures with sources
Cancer Higher diagnosis risk Higher death risk Source
Testicular 102% Not reported LeMasters 2006
Esophageal 62% 39% LeMasters 2006
Multiple myeloma 53% Not reported LeMasters 2006
Non-Hodgkin lymphoma 51% Not reported LeMasters 2006
Skin cancer (melanoma) 31–39% 58% LeMasters 2006; ACS CPS-II 2025
Prostate 28% Not reported LeMasters 2006
Kidney Not reported 40% ACS CPS-II 2025
Malignant mesothelioma 2.29× rate Not reported Daniels 2014 (NIOSH cohort)
All cancers combined 9% 14% Daniels 2014 (NIOSH cohort)

What these numbers don't say

The percentages come from different studies of different firefighter populations, in different decades. Some describe the risk of being diagnosed and others the risk of dying. They should not be read as one single estimate for one firefighter.

The NIOSH study, the largest of them, found a 9% increase in cancer diagnoses. Across 30,000 people that is a serious elevation.

Insurance is not the same as covered

The fund we're building hardest

We're capitalizing this fund first, because it's the need our members are most likely to face. A gift here doesn't cover a single year of assistance. It becomes part of the base the fund pays out from, for every Stamford firefighter diagnosed from here on.

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Every number, cited

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