Research News

Working long hours is associated with higher risk of stroke, study shows

BMJ 2015; 351 doi: http://dx.doi.org/10.1136/bmj.h4523 (Published 20 August 2015) Cite this as: BMJ 2015;351:h4523
  1. Susan Mayor
  1. 1London

Working 55 hours or more a week is associated with a 33% higher risk of stroke and a small increase in coronary heart disease than a standard 35 to 40 hour week, shows a comprehensive study to investigate the effects of longer working hours on cardiovascular health.

The study, published in the Lancet,1 reviewed 25 studies in 24 cohorts of people in Europe, the United States, and Australia. Previous studies have found that long working hours may increase the risk of cardiovascular disease, but they have been limited by potential bias, a lack of prospective data, and …

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