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Posted on Apr 21, 2015, 6 a.m.
Regardless of exercise, sitting for many hours a day raises a person’s level of coronary artery calcification (CAC).
Mounting evidence warns of the life-shortening effects of too much sitting. Jacquelyn Kulinski, from the Medical College of Wisconsin (Wisconsin, USA), and colleagues analyzed heart scans and physical activity records of over 2,000 adults living in Dallas (Texas, USA). The data revealed that each hour of sedentary time per day on average associated with a 14% increase in coronary artery calcification (CAC) burden – a measure of the amount of plaque in the coronary arteries. The association was independent of exercise activity and other traditional heart disease risk factors.
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Kulinski J. Presentation at American College of Cardiology 64th Annual Scientific Session, 5 March 2015.
