Working long hours increases the risk of atrial fibrillation (AFib) or irregular heartbeat (arrhythmia)
It is known fact that working long hours will worsen stress levels and moods. A study by researchers at the University College London (UCL) shows increased risk of atrial fibrillation or irregular heartbeat (arrhythmia) with more than 55 hours per week working. Atrial fibrillation can lead to chronic fatigue, heart failure and stroke. Researchers analyzed eight previous studies done in Denmark, United Kingdom, Sweden and Finland, which contains records of more than 85,000 men and women without atrial fibrillation (AFib).
Analytical results show the development of atrial fibrillation (AFib) in 1,061 individuals over a period of ten years. This is equal to 12.4 AFib cases per 1,000 individuals. But the number of AFib cases per 1,000 individuals jumped to 17.6 when researchers looked into records of those individuals who are working for 55 hours or more per week. This shows 40 percent more risk of the development of atrial fibrillation (AFib) to those individuals who are working for 55 hours or more per week compared to those individuals who are working for 35 to 40 hours or fewer per week. They also found that 90 percent of the new atrial fibrillation (AFib) cases were reported in those individuals who are not diagnosed with any type of cardiovascular disease previously. This finding clearly indicates the fact that excess time at work of the increase in atrial fibrillation (AFib). Results were adjusted for factors such as the age of the participant, gender status, obesity or overweight, tobacco usage, alcohol consumption, socioeconomic status and leisure-time physical activity.
Authors of the study say 40 percent increased risk of atrial fibrillation (AFib) or irregular heartbeat (arrhythmia) is not a big deal. But risk associated with working excess time will be an added risk factor to those individuals having multiple risk factors to heart diseases such as older age, diabetes or high sugar levels, high blood pressure or hypertension, tobacco usage etc.
This study was not showing working excess time causes atrial fibrillation (AFib). The researchers think that extreme physical or mental fatigue and stress play a role in increased risks to heart diseases. Lead author of the study was Dr. Mika Kivimaki, Department of Epidemiology and Public Health, University College London, UK. The study findings were published on July 14, 2017, in the European Heart Journal. Title of the article was "Long working hours as a risk factor for atrial fibrillation: a multi-cohort study."
Consumption of artificial sweeteners was linked to type 2 diabetes, weight gain and heart disease
A study by Canadian researchers at the George and Fay Yee Centre for Healthcare Innovation, Winnipeg, Canada show increased risk of cardiometabolic outcomes such as heart diseases, type 2 diabetes (T2D), obesity (or overweight) and high blood pressure (or hypertension) with the consumption of artificial or non-nutritive sweeteners.
Researchers reviewed 37 studies that contain records of more than 400,000 individuals. Researchers followed them for an average period of ten years. People consume artificial sweeteners to reduce body weight and blood sugar levels. But the clinical trial results show weight gain (or higher body mass index BMI) and other health issues with artificial sweeteners consumption.
Lead author of the study was Professor Ryan Zarychanski, MD, the University of Manitoba. The study findings were published on July 17, 2017, in the Canadian Medical Association Journal (CMAJ). Title of the article was "Nonnutritive sweeteners and cardiometabolic health: a systematic review and meta-analysis of randomized controlled trials and prospective cohort studies."
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Published by Jammi Vasista, Chennai, India.