Women's Health Weekly
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Colon Cancer
Colon cancer risk in women not diminished by physical activity levels
March 16th, 2006
A prospective cohort study of 31,783 American women has found no significant association between levels of physical activity and colon cancer incidence. The study was published online February 17, 2006, in International Journal of Cancer. Because exercise has been shown to accelerate gastrointestinal transit time, upregulate immune function, and alter the production of prostaglandins and insulin, experts have theorized that it might also inhibit colon cancer. Over 40 epidemiologic studies have examined the association with varying results. Many observed a reduction in colon cancer risk for people reporting high levels of activity, compared to...
Source: Women's Health Weekly (2006-03-16)
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