![](https://cdn.muni.cz/media/3319617/hasici.jpg?mode=crop¢er=0.5,0.5&rnd=132653957250000000&heightratio=0.5&width=278)
Occupational exposure of Firefighters
Key words: cohort study, PFAS, other pollutants v.s. biomerkers of effect and biomarkers of exposure; Human DNA damage in vivo; DNA methylation as an epigenetic biomarker; suplementation, fitnes, other parameters