Journal
LIFE-BASEL
Volume 13, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/life13091928
Keywords
chemical hazards; firefighters; gut microbiota; occupational hazards; post-traumatic stress disorder (PTSD); polycyclic aromatic hydrocarbons (PAHs)
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This pilot study explored the potential association between occupational factors, changes in gut microbiota, and adverse health outcomes in firefighters. The results showed that firefighters had lower intestinal bacterial diversity and a higher presence of pathogenic bacteria. Unique gut bacterial taxa were also observed in firefighters with high PTSD scores. These findings suggest occupational factors and changes in gut microbiota may impact firefighters' health.
Firefighters are exposed to occupational hazards and have a higher prevalence of health issues. The gut microbiota plays a crucial role in the immune, endocrine, and neural systems, and disruptions in its composition can impact health outcomes. This pilot study aimed to investigate the potential association between occupational factors, changes in gut microbiota, and the development of adverse health outcomes in firefighters. To test this hypothesis, we recruited 15 firefighters and age/sex-matched controls to investigate the relationship between occupational environment and gut microbiota. Firefighters exhibit lower intestinal bacterial alpha diversity and a higher presence of pathogenic bacteria than the control. Moreover, unique gut bacterial taxa were observed in firefighters with high post-traumatic stress disorder (PTSD) scores, which could contribute to immune dysregulation and higher susceptibility to pathogen colonization. These preliminary findings suggest that occupational factors, including exposure to traumatic stressors and chemicals, may influence firefighters' health by modulating their gut microbiota. The observed changes in gut microbiota composition and the potential link to occupational hazards highlight the need for further research in larger sample-size studies. Understanding the role of gut microbiota in firefighter health may have implications for preventive measures and interventions to mitigate occupational health risks and improve overall well-being.
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