Perils of Prolonged Perch

Dr. David Agus explains the dangers of sitting too long.
2:32 | 01/16/12

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Transcript for Perils of Prolonged Perch
Researchers at the American Cancer Society released a study published in 2010. In the American journal of epidemiology. -- pretty much said sitting down for extended periods poses a health risk as insidious. As smoking or over exposure to the sun. The people in the study were followed from 1993. To 2006. Researchers examined fair amount of time spent sitting and their physical activity in relation to mortality over the thirteen years. A second study in the international diabetes institute in Melbourne. Concluded that even two hours of exercise a day would not competency. For spending 22 hours sitting on your rear -- While several studies support a link between sitting time and obesity type two diabetes cardiovascular disease and on healthy dietary patterns. Few studies have examined time spent sitting in relation to total mortality. This latest study -- -- stoning case where the strong association between continually sitting down. As many of us to do -- -- it desks on a couch and our cars. Disease. The unfair shocker. Women seem to be more affected by spending time when -- -- In -- study women who reported more than six hours per day of sitting outside of work. -- 37%. More likely to die during the time period studied and those who sat fewer than three hours a day. Men who -- more than six hours today also outside of work or 18% more likely to die than those who sent fewer than three hours per day. The association remained virtually unchanged. After adjusting for physical activity level. Sitting itself is not the culprit here it's the biological effects that sitting triggers in the body. Just as exercise spurs positive metabolic changes to our system sedentary and its causes metabolic changes in the opposite negative direction. And prolonged time spent sitting independent of physical activity. Has been shown to have significant metabolic consequences. Influencing such things as triglyceride. Cholesterol blood sugar resting blood pressure. And the appetite hormone leptin. All of which -- risk factors for obesity. Cardiovascular illness and other chronic diseases.

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