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article imagePhysical inactivity increases risk of certain cancers

By Jeannie Stokowski-Bisanti     Jun 24, 2014 in Health
According to a study published June 16 in the Journal of the National Cancer Institute (JNCI), physical inactivity has been linked with diabetes, obesity, and cardiovascular disease, but it can also increase the risk of certain cancers.
Daniela Schmid, Ph.D., M.Sc., and Michael F. Leitzmann, M.D., Dr.P.H., of the Department of Epidemiology and Preventive Medicine, University of Regensburg, Germany, conducted a meta-analysis of 43 observational studies, including over 4 million individuals and 68,936 cancer cases in order to assess the relationship between TV viewing time, recreational sitting time, occupational sitting time, and total sitting time with the risk of various cancers. Self-administered questionnaires and interviews were used to obtain data in the individual studies.
Researchers found a statistically significantly higher risk for three types of cancer — colon, endometrial, and lung — when the highest levels of sedentary behavior were compared to the lowest. The risk increased with each two-hour increase in sitting time, 8 percent for colon cancer, 10 percent for endometrial cancer and 6 percent for lung cancer, but the last was borderline statistically significant.
More about sedentary lifestyle, Sedentary, Physical activity, Physical, physical inactivity
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