Something long-suspected is now systematically and scientifically being proven beyond any reasonable doubt:  Fire Fighters develop cancers at a higher rate than the general population, and the exposures to cancer causing agents come not just in higher numbers, but different types of agents than previously suspected.  The article below links to a study funded by FEMA documenting the heightened exposures of fire fighters. (For some Kansas City flair, Dr, Sara Jahnke of Center for Fire, Rescue and EMS Health Research in Kansas City is a co-author, two KC Metro departments were included in this study)

https://today.oregonstate.edu/news/firefighters-exposed-more-potentially-harmful-chemicals-previously-thought

This is worth a read to anyone in the profession, whether an old-timer (like me) or a rookie who wants to better understand how best to protect themself from an unseen but ever present danger.

Stay Safe-

CS