Paris: People who work three hours or more of overtime per day run a 60-percent higher risk of bad heart problems compared to those who work regular hours, a study published in the European Heart Journal said.The findings came from a long-term research project into 6,014 British civil servants aged 39-61, two-thirds of whom were men, who had healthy hearts at the start of the probe in the early 1990s.At an 11-year monitoring point, 369 of the volunteers had either died of coronary heart disease (CHD) or had had a non-fatal heart attack or angina.
For instance, working overtime could affect metabolism or mask depression, anxiety and sleeplessness, they caution. There is also a phenomenon called "sickness presenteeism", whereby employees who work overtime are likelier to work while ill, ignore symptoms and not seek medical health. In addition, people who like their job and have greater latitude in work decisions tend to work longer hours just for the pleasure, and may have a lower rate of CHD. "More research is needed before we can be confident that overtime work would cause CHD," said Marianna Virtanen, an epidemiologist at the Finnish Institute of Occupational Health and University College London.Bureau Report
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