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[Karoshi, death by overwork]

Tetsunojo Uehata1

  • 1School of Humanity, Section of Human Nutrition, Seitoku University.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|July 9, 2005
PubMed

Insights

Karoshi, or death by overwork, is linked to cardiovascular diseases like stroke. Changes in compensation standards in 2000 recognized this link, increasing Karoshi cases significantly.

Area of Science:

  • Social Medicine
  • Occupational Health
  • Cardiovascular Disease Epidemiology

Context:

  • Karoshi (death by overwork) is a recognized social medical issue.
  • Cardiovascular diseases such as stroke and myocardial infarction are frequently associated with Karoshi.
  • The Workers' Insurance Compensation Standard was revised in December 2000.

Purpose:

  • To highlight the link between chronic fatigue from overwork and cardiovascular attacks.
  • To report the increase in Karoshi compensation cases following the 2000 policy change.
  • To inform about the Ministry of Health, Labour and Welfare's stance on Karoshi causes.

Summary:

  • The 2000 policy change acknowledged the relationship between chronic fatigue and cardiovascular events, leading to a surge in Karoshi compensation claims from approximately 80 to over 300 cases.
  • Long working hours, particularly unpaid overtime extending over several months, are identified as primary contributors to Karoshi.
  • Labor Standard Inspector Offices are now advising companies to reduce monthly overtime to below 45 hours.

Impact:

  • Increased recognition and compensation for Karoshi cases attributed to cardiovascular diseases.
  • Potential for policy changes and workplace interventions aimed at reducing long working hours.
  • Heightened awareness among employers and employees regarding the health risks of overwork.

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