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Studying the microbiome could be the next frontier in colon cancer research

Colon cancer is the second-leading cause of cancer-related deaths in the U.S. but colonoscopies have been found to reduce the risk of death from the disease by 70 percent or more. CBS News chief medical correspondent Dr. Jon LaPook talks to New York University medical student, Rachel Sarnoff, about how the field of microbiomes could be the next frontier of colon cancer research.
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