More than 173,000 cancer cases diagnosed each year may be due to physical inactivity and prolonged periods of sitting, USA Today reported.
A new analysis blames physical inactivity for about 49,000 cases of breast cancer and 43,000 cases of colon cancer each year, as well as an estimated 37,200 cases of lung cancer, 30,600 cases of prostate cancer, 12,000 cases of endometrial cancer and 1,800 cases of ovarian cancer.
"This gives us some idea of the cancers we could prevent by getting people to be more active," said epidemiologist Christine Friedenreich of Alberta Health Services in Calgary, Canada. “This is a conservative estimate. The more physical activity you do, the lower your risk of these cancers."
The estimations were based on national physical activity data and cancer incidence statistics, as well as a review of more than 200 cancer studies worldwide.
Read more: http://www.foxnews.com/health/2011/11/03/prolonged-sitting-may-increase-risk-certain-cancers/#ixzz1cfrRxgjU
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