Spending long hours in the office could be more damaging for people's health than they realise, it has been claimed.
A report published by the American Journal of Epidemiology has suggested that middle-aged workers working for over 55 days a week have poorer mental skills, short-term memory loss and word recall than those working for 41 hours.
According to the Independent, there have also been links made between long working hours and the onset of illnesses such as dementia.
Dr John Challenor, a consultant occupational physician who advises the Society of Occupational Medicine, appreciates that there does seem to be a link.
However, he said that "the link to cognitive diseases, such as Alzheimer's, is tenuous".
Meanwhile, research from the Mental Health Foundation has found that many employees are afraid to discuss any mental health issues they may have with their bosses.
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