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Is Your Job Giving You Atrial Fibrillation (Afib)?

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It’s no surprise that stress—no matter what causes it—can make you more likely to have a heart attack or stroke. But you might not know that a stressful job can double your chances of developing a serious heart-rhythm disorder…one that you might not know you have because symptoms aren’t always apparent.

Atrial fibrillation (AFib) is the most common type of heart arrhythmia and increases risk for stroke and early death by two to five times. Even though AFib is a major public health concern, little is known about the underlying risk factors. But researchers at Jönköping University in Sweden recently looked at what impact job stress had on risk for developing AFib.

Study: For the study, about 13,000 Swedish men and women who did not have AFib at the start of the study filled out a questionnaire that included questions about their jobs. Defining job stress as having “high demand and little control,” the participants were grouped into low demand and high control…low demand and low control…high demand and high control…and high demand and low control. The participants were then followed for six years to see how many developed AFib.

Results: Of the 145 participants who developed AFib during the study period, those who had jobs with high demand and low control (highest job stress) were 48% more likely to be diagnosed with the condition than participants in all the other groups. This risk held even when taking into account other risk factors for AFib—such as being male, older age, smoking, high blood pressure, obesity and sedentary lifestyle.

The researchers also compared the results of this study with two older Swedish studies that looked at work stress and AFib—one that followed 6,000 men for 17 years starting in the 1970s (436 developed AFib)…and a study that began in the 1990s and followed 10,000 men and women for 13 years (253 developed AFib). Pooling the findings from all three studies, the risk for AFib associated with high-stress work was almost 40%.

Bottom line: The study authors conclude that work stress is a significant risk factor for AFib, and they suggest that people who feel stressed at work should talk to their doctors and their employers about ways to reduce stress.

How stressful is your job? You may think you already know the answer to that, but the following questions from the demand-control questionnaire might give you more insight into just how stressful your job is

  • Do you have to work very hard or very fast?
  • Are there too many demands at your work?
  • Do you have enough time to complete your workplace?
  • Is your work very repetitious?
  • Do you have any control over how and what you do at work?

If you answered “yes” to any of the questions, click here for exercises that reduce stress—from your job or from any other part of your life.

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Source: Study titled “Job Strain and Atrial Fibrillation—Results From the Swedish Longitudinal Occupational Survey of Health and Meta-Analysis of Three Studies,” by researchers at Jönköping University, Sweden, published in European Journal of Preventive Cardiology. Date: November 10, 2018 Publication: Bottom Line Health
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