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Exercise and being thin reduce the risk of colon cancer in women
Wednesday, March 21, 2007 2:30 am Email this article
Women with a body mass index (BMI) of 29 -- almost obese -- are 45 percent more likely to get colon cancer than thin women with a BMI of 21 or less according to a study from the Harvard School of Public Health. Belly Fat
Belly fat increases the risk of colon cancer
Belly fat increases the risk more than fat on the hips and thighs as well. The one-forth of women with the highest waist-to-hip ratio were 48 percent more likely to get colon cancer than the one-forth of women with the lowest ratio.
Walking one mile per day cuts risk of colon cancer in half
However, exercise reduces the risk.
Women who expended the most exercise—the equivalent of walking roughly one mile per day or more—were 46 percent less likely to get colon cancer compared with women who get the least—the equivalent to walking less than one mile per week.
Subjects: Women from the Nurse’s Health Study
The subjects in this study were women from the Nurses’ Health Study which began in 1976.
Martinez M, Giovannucci E, Spiegelman D, Hunter D, Willett W, Colditz G. Leisure-time physical activity, body size, and colon cancer in women. Nurses’ health study research group. J Natl Cancer Inst. 1997 Jul 2, 89(13):948-55.
AUTHOR’S CONTACT INFORMATION
Department of Nutrition
Harvard School of Public Health
Boston, MA, USA
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