If you’re thinking of taking a day off work, here’s a scientific reason to do so: excessive working hours might actually be reshaping your brain.
Recent findings published in the journal Occupational & Environmental Medicine reveal that individuals who work too much may experience changes in their brain structure.
The research involved 110 healthcare workers who were divided into two groups based on their work hours: those who were overworked and those who were not.
The overworked group, which consisted of individuals logging 52 or more hours per week, generally included younger professionals who were earlier in their careers and had higher levels of education compared to their less overworked counterparts.
To conduct their analysis, the researchers utilized MRI scans and other data to examine the brain volumes of the participants, focusing on the levels of gray matter and the identification of various brain structures.
The findings indicated that excessive work can lead to changes in the brain, particularly in areas related to thinking processes and emotional management.
Interpreting the Results
The study showed that overworked individuals had a 19 percent increase in the volume of the left caudal middle frontal gyrus, along with increased volumes in 17 other brain regions, compared to those who worked regular hours.
The authors of the study suggested that these changes might represent the brain’s adaptive responses to ongoing work-related stress, although they clarified that the precise mechanisms behind these changes are still a matter of speculation.
According to a press release cited by CNN, “Individuals working 52 or more hours weekly showed notable changes in brain regions tied to executive functioning and emotional regulation, a contrast to those working standard hours,” the researchers explained.
Joon Yul Choi, a co-author of the study, shared with the media that these changes might be partially reversible if the environmental stressors that cause them are reduced.
With this scientific evidence linking long working hours to structural changes in the brain, the researchers believe it is crucial to further investigate the potential long-term effects on cognitive and emotional health due to overworking.
The study emphasizes the need to treat overworking as a significant occupational health issue and calls for the implementation of workplace policies that limit excessive work hours.
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Miles Harper focuses on optimizing your daily life. He shares practical strategies to improve your time management, well-being, and consumption habits, turning your routine into lasting success.