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The fire within: Inflammation’s impact on firefighter mental health

Chronic inflammation is driven by sleep disruption, poor nutrition, limited exercise and unresolved trauma

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The following article was submitted for the 2025 Fire Service Thought Leadership Essay Contest, focused on understanding the “why” behind mental health challenges in the fire service. The contest is managed by Darley, in partnership with the National Fallen Firefighters Foundation (NFFF). Read past essays and learn how to submit your own essay.


Firefighting is an amazing profession, but it also comes with significant stressors and exposure to traumatic events that can profoundly impact our mental health more so than the general public.

Our jobs are characterized by unusual shift patterns, late-night calls and the expectation that we are the rescuers, never the ones needing rescue. This combination of factors presents unique challenges that we, as a fire service, continually strive to address. However, the true enemy lies not just in the external demands of our job or the culture that surrounds it; it is how these stressors collectively lead to a state of chronic inflammation in our bodies and minds.

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Recent studies have shed light on the correlation between mental health issues and chronic inflammation, revealing that factors like poor sleep, inadequate nutrition and a lack of functional exercise contribute to a cycle of deterioration among firefighters. When we layer the daily traumas we endure with the ingrained belief that asking for help is a sign of weakness, it’s no surprise that many of us face considerable mental and physical health challenges. But there is good news: Several solutions have been right in front of us all along.

Taking action

The life of a firefighter involves long hours, unpredictable schedules, and significant physical and psychological demands — stressors can disrupt sleep patterns, compromise nutrition and foster a sedentary lifestyle.

  • Sleep: Chronic sleep deprivation is a common consequence of our on-call shifts, which can lead to increased inflammation and exacerbate mental health issues like anxiety and depression. Quality sleep is essential; it aids in cognitive function, emotional regulation and physical endurance.

    Action: We must prioritize restorative sleep to effectively manage our mental and physical well-being.

  • Nutrition: Nutrition also plays a pivotal role in our mental health and inflammatory responses. Diets high in processed foods and sugars are linked to negative mood states and increased inflammation. As such, making intentional food choices that emphasize whole, nutrient-rich foods can bolster mental well-being and combat inflammation.

    Action: We must understand how our food choices can either contribute to or alleviate our stress.

  • Exercise: Although firefighting’s physical demands could ideally encourage a healthy lifestyle, irregular exercise often stems from long hours and fatigue, leading to harmful health consequences. Regular functional exercise is a powerful anti-inflammatory intervention that enhances mental health by releasing endorphins, improving mood and alleviating stress.

    Action: We should encourage one another to incorporate regular functional physical activity into our routines, whether through structured workouts or informal play, both on and off duty.

  • Trauma: Our job also exposes us to traumatic events while on duty, yet the culture within our service may discourage open dialogue about how to deal with them. This silence perpetuates our struggles, as unresolved trauma ultimately leads to chronic stress and inflammation.

    Action: It is essential that we recognize and address trauma through open conversations and professional support channels. Doing so can break the cycle of silence and foster resilience within our ranks.

Our current approach to wellness

As a fire service, we must recognize our tendency to react to urgent needs, much like children chasing after a soccer ball, focusing solely on one immediate issue at a time. This “ball-chasing” mindset often leads to neglecting comprehensive health strategies that promote long-term wellness. Resources are frequently concentrated on pressing threats, such as cardiac health or cancer, without considering the holistic picture of firefighter well-being.

Intentional habits lead to intended results

Transforming our approach to firefighter health means acknowledging that mental health, physical health and emotional resilience are interconnected. Health is not merely the absence of illness but a dynamic state of physical, mental and social well-being. By providing resources that emphasize the whole firefighter, addressing stress reduction, effective inflammation management and proactive mental health support, we can foster a healthier future and serve as role models for the communities we support.

Furthermore, simple, everyday habits can yield significant improvements in mental health and inflammation. By emphasizing hydration, daily movement, sleep hygiene and social connections, we can cultivate resilience against mental health challenges and chronic illnesses. Here’s where to start:

  • Hydration: Proper hydration is crucial for maintaining cognitive function and overall health. Still, many firefighters overlook this basic need. Dehydration can exacerbate stress and lead to cognitive impairments. Regular hydration practices are essential, especially during stressful shifts.
  • Daily movement and exercise: Incorporating regular exercise, whether through structured workouts, sports or informal physical activities, can empower us to combat stress and enhance mental clarity. Finding enjoyable ways to move not only boosts individual well-being but also fosters camaraderie among colleagues.
  • Sleep hygiene: Establishing a consistent sleep routine can help mitigate the effects of irregular schedules. Simple strategies like creating a calming pre-sleep ritual and optimizing our sleep environment can significantly improve sleep quality and resilience.
  • Counseling and after-action reviews: Regular participation in after-action reviews and counseling sessions creates a supportive culture that encourages healing and open discussions about mental health. This practice can help us build connections within our departments, reducing the isolation that often accompanies mental health struggles.
  • Gratitude: Engaging in gratitude exercises, such as maintaining a gratitude journal or sharing positive experiences with peers, can significantly reduce stress and inflammation. By shifting focus away from daily pressures and traumas, we can foster resilience and enhance overall mental well-being. This attitude of gratitude can lead to lower levels of cortisol, the stress hormone associated with chronic inflammation, ultimately leading to improved emotional regulation and coping strategies.

Bottom line: We must pivot from reactive measures to a comprehensive, holistic strategy that prioritizes our mental, physical and emotional wellness.

Final thoughts — and questions

As we shift our mindset, it’s imperative to ask ourselves: Why do we struggle with mental health?

  • Is it part of our culture? Yes.
  • Is it the traumatic calls? Yes.
  • Is it due to a lack of proper sleep and nutrition? Yes.

The truth is, it is all of these factors, combined in a way that amplifies their effects. We must understand that mental health issues are not just rooted in the calls we respond to or the trauma we face; they stem from the job itself, the constant stresses and our everyday decisions. Recognizing the interconnected nature of sleep, nutrition, exercise and trauma exposure paints a clearer picture of our challenges.

The good news is that understanding the relationship among stress, inflammation and chronic illnesses can drive initiatives that promote healthy eating habits, regular exercise and informed sleep strategies. By establishing programs that focus on these areas, we can create an environment that enhances both our mental and physical health, ultimately leading to improved job performance and overall well-being.

How fire departments can better educate members about mental health conditions in order to identify issues and seek help early

REFERENCES

  1. Dowlati, Y., Herrmann, N., Swardfager, W., Liu, H., Kappe, L. M., Reim, W., & Lanctôt, K. L. (2010).A meta-analysis of cytokines in major depression. Biological Psychiatry.
  2. Miller, A. H., & Raison, C. L. (2016). The role of inflammation in depression: From evolutionary imperative to modern treatment target. Nature Reviews Immunology.
  3. O’Donovan, A., & Miller, A. H. (2019). Inflammation and PTSD. PTSD Research Quarterly.
  4. Ye, Z., Kappelmann, N., Moser, S., Davey Smith, G., Burgess, S., Jones, P. B., & Khandaker, G. M. (2021). Role of inflammation in depression and anxiety. eClinicalMedicine.
  5. Zheng, B., Liu, M. G., Zhang, D. D., Huang, C., Wang, S. X., & Wang, Y. F. (2021). The relationship between inflammation and post-traumatic stress disorder. Frontiers in Psychiatry.
Aaron Zamzow is a fire lieutenant for the Madison (Wisconsin) Fire Department with 20 years of experience as a fitness trainer and host of the Better Every Shift podcast. He holds a bachelor’s degree in health and wellness as well as a Precision Nutrition Level 1 certification. He is an NSCA-certified strength and conditioning specialist, an NASM certified personal trainer and an ACE-certified peer fitness trainer. Zamzow is the founder and owner of FireRescueFitness.com and develops programs aimed at getting fire rescue athletes fit for duty. He authored the book “Ladder 2 Workout: A Comprehensive Firefighter Workout Program that will get you ‘Fit for Duty’ in 28 days.” Connect with Zamzow on Twitter or Facebook or via email.