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Colorectal cancer: Obesity increases risk 50% in women, 100% in men
Tuesday, August 03, 2004 11:51 am Email this article
Being overweight increases the risk of colorectal cancer 50 percent in men and 20 percent in women. Obesity increases the risk of colorectal cancer 100 percent in men and 50 percent in women.
Obese men are more likely to develop colorectal cancer than obese women. This has been observed consistently across studies and populations.
The reason for this is thought to be at least partly because men tend to have more belly fat than women, which is associated with the health risks of obesity.
This according to an evaluation by The International Agency for Research on Cancer (IARC) Working Group on the Evaluation of Cancer-Preventive Strategies.
Their evaluation is a comprehensive evaluation of the available literature on weight and cancer that considered epidemiological, clinical and experimental data.
For an excellent review of the effect of overweight and obesity on the risk of cancers, see the review paper by Calle and Kaaks (2004).
International Agency for Reasearch on Cancer. IARC Handbooks of Cancer Prevention. Weight Control and Physical Activity (International Agency for Research on Cancer, Lyon, 2002) as referenced in Calle E, Kaaks R. Overweight, obesity and cancer: epidemiological evidence and proposed mechanisms. Nat Rev Cancer. 2004 Aug, 4(8):579-91.
Calle E, Kaaks R. Overweight, obesity and cancer: epidemiological evidence and proposed mechanisms. Nat Rev Cancer. 2004 Aug, 4(8):579-91.
AUTHOR’S CONTACT INFORMATION
American Cancer Society
1599 Clifton Road
Atlanta, Georgia 30306, USA
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