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Modified Cortisol Circadian Rhythm: The Hidden Toll of Night-Shift Work.
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- 1. Section of Endocrinology and Metabolic Diseases, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy.
- 2. University of Rome Tor Vergata
- 3. Endocrinology and Diabetology Clinic, Department of Medical Sciences, Foundation Policlinico Tor Vergata, 00133 Rome, Italy.
- 4. Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy.
- 5. Faculty of Medicine, Saint Camillus International University of Health Sciences, 00131 Rome, Italy.
- 6. University Research Institute of Maternal and Child Health and Precision Medicine, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece.
- 7. National and Kapodistrian University of Athens
- 8. UNESCO Chair on Adolescent Health Care, National and Kapodistrian University of Athens, 11527 Athens, Greece.
- 9. University Research Institute, Choremeion-Aghia Sophia Children's Hospital, 11527 Athens, Greece.
Description
The circadian rhythm of cortisol, a key hormone essential for maintaining metabolic balance and stress homeostasis, is profoundly disrupted by night-shift work. This narrative review examines the physiological mechanisms underlying cortisol regulation, the effects of shift work on its circadian rhythm, the associated health risks, and potential mitigation strategies. Night-shift work alters the natural secretion pattern of cortisol, leading to dysregulation of the hypothalamic-pituitary-adrenal axis, which in turn can contribute to metabolic disorders, cardiovascular diseases, and impaired cognitive function. Understanding the physiological pathways mediating these changes is crucial for developing targeted interventions to mitigate the adverse effects of circadian misalignment. Potential strategies, such as controlled light exposure, strategic napping, and personalized scheduling, may help to stabilize cortisol rhythms and improve health outcomes. This review aims to provide insights that can guide future research and inform occupational health policies for night-shift workers by addressing these challenges.
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References
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