Work Stress Is A Killer…More Than 2-Fold Over A Period Of 25 Years

In mid October 2002 the British Medical Journal(BMJ 2002;325:p.857-860) published a paper by Dr. Mika Kivimäki from the University of Helsinki where 812 healthy factory workers were followed for about 25 years. The issue was whether stress from work would have negative consequences, which could be measured in terms of cardiovascular disease. Various risk groups were defined from low stress to high stress.

Low stress jobs were classified as people who often had more training, more responsibilities, better salaries, physically less strenuous jobs with more job security. High stress jobs involved the opposite(high demand/low job control/low salary/no job security). Depending on which subgroups of high versus low risks were compared, the investigators found a 2.2 to 2.4-fold increase of strokes and heart attacks due to cardiovascular disease.The team measured other cardiovascular risk factors. They found a significant increase of cholesterol in the high stress job group after 5 years. After 10 years there was a marked weight gain in the stressed group with obesity becoming much more frequent. The authors noted that this likely led to a change of metabolism in the sense of hyperinsulinism, which is known to cause high cholesterol levels and leads to hardening of the arteries with heart attacks and strokes.

Work Stress Is A Killer...More Than 2-Fold Over A Period Of 25 Years

Work Stress Is A Killer…More Than 2-Fold Over A Period Of 25 Years

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Hyperinsulinism or syndrome of insulin resistance:

Heart disease:


Last edited October 25, 2014