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Sitting, it will kill you
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A new study by Canadian researchers published in this month's Medicine and Science in Sport and Exercise covers the interesting topic of sitting and your mortality.
Peter Katzmarzyk and colleagues at the Pennington Biomedical Research Center, and examined the links between sitting and mortality in more than 17,000 Canadians.
The first reaction is to think that sitting leads to less movement, less movement leads to higher bodyfat levels. While this was a main driving issue you with the study there was also a strong link between lack of health and those who were not obese. There was also a groupings in which that weight was not provided.
The most shocking account was that individuals who sat the most were almost 50% more likely to die during the follow-up period than individuals who sat the least. This was even after factoring in age, smoking, and physical activity levels.
The authors of the study suggest that sitting for extended periods of time may alter certain physiological processes. One such could be lipoprotein lipase activity. This could explain the link between time spent sitting and mortality risk.
I have often covered the importance of NEAT (non-exercise activity thermogenesis) before. I have written a full article on it here and even covered works such as Move a Little, Lose a Lot. More and more we are going to see contiuned problems from sitting and lack of activitiy in not only how we look, but our overall health.
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Katzmarzyk, P.T., Church, T.S., Craig, C.L., & Bouchard, C. (2009). Sitting Time and Mortality from All Causes, Cardiovascular Disease, and Cancer Medicine and Science in Sports and Exercise, 41
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