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Long Work Hours Weaken Mental Skills

Putting in 55 or more hours per week hurts memory, reasoning

By Nick McMaster,  Newser Staff

Posted Feb 25, 2009 4:38 PM CST

(Newser) – Working long hours may weaken mental skills, the BBC reports. Researchers administered a series of reasoning and memory tests to 2,214 British civil servants and found that those working more than 55 hours a week did significantly worse than those who worked around 40. The effect was cumulative, meaning the more hours over 55 employees worked, the worse their scores.

The researchers note that workers with long schedules reported sleeping less, drinking more alcohol and had symptoms of depression more often—all of which can adversely affect mental functioning. The effects of long working hours must be investigated further, one researcher said: “It is particularly important to examine whether the effects are long-lasting and whether long working hours predict more serious conditions such as dementia.”

A new study suggests long hours can weaken your brain.
A new study suggests long hours can weaken your brain.   (Shutterstock)
A new study suggests long hours can weaken your brain.
A new study suggests long hours can weaken your brain.   (Shutterstock)
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This should say to employers that insisting people work long hours is actually not good for your business, and that there is a business case for making sure people have a good work-life balance.
- Cary Cooper, professor, University of Lancaster

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COMMENTS
Showing 1 of 1 comment
Vanilla
Feb 26, 2009 12:27 AM CST
I wonder if the effect is permanent.

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