Cancer-causing conditions among state's firefighters

Cancer is the leading cause of death among firefighters. That's according to the CDC. Experts say it's likely due to their exposure to smoke and hazardous chemicals. And as climate change is making wildfires worse, researchers at UC Davis and the state are teaming up to gather data. Molecular Epidemiologist at UC Davis and one of the researchers on the study Dr. Shenaz Hussain joined us on The Nine to break it all down for us.

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