The Impact of COVID-19 Pandemic and Lockdown on Chronic Stress Assessed by Hair Cortisol Analysis via LC-MS/MS
November 2025
in “
Journal of Laboratory Medicine
”
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Studysummary This study found that cortisol levels, a biomarker of chronic stress, significantly increased in the post-COVID-19 lockdown period compared to pre-lockdown and during-lockdown periods, especially among females and young adults, reflecting sustained psychological stress from the pandemic.
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