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Forty percent of all colorectal cancers could be prevented if people underwent regular colonoscopy screenings, according to a new study from the Harvard School of Public Health.

According to theNational Cancer Institute, 102,480 people will be diagnosed with colon cancer in the U.S. this year, and another 40,340 will learn they have rectal cancer. About 50,830 people are expected to die from colorectal cancer this year, making it the second-leading cause of cancer deaths in the U.S.

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