In the U.S.and other developed countries, approximately 60-70% of colorectal cancers are attributable to

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Diet is the best choice since it is the only factor that consistently showed a strong association with colorectal cancer in multiple studies. While smoking, obesity, and lack of exercise are risk factors for many cancers, they are not as strongly associated with colorectal cancer specifically.

In the USAnd Other Developed Countries, Approximately 60-70% of Colorectal Cancers Are