Source: Iowa State University Extension
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Source: American College of Sports Medicine
Sitting is a common human behavior and has been increasingly associated with chronic diseases including diabetes, cardiovascular diseases and cancer. However, is there a cause/effect relationship between increased sitting and risk factors for chronic diseases? This study suggests that prolonged sitting for three hours impairs leg blood flow and vascular function, which is a marker of cardiovascular disease; in fact, the impairment of vascular function is significant after just one hour of sitting. The study also finds that five minutes of light walking every hour is an effective countermeasure against this impairment. However, more research needs to be done on the mechanisms by which sitting impairs vascular function, specifically blood biomarkers and the effects of chronic prolonged sitting on population at risk of chronic diseases.
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