To combat evasion, Exact Sciences introduces this less invasive, home-use colon cancer screening. Courtesy Exact Sciences

Colon cancer is the second deadliest cancer in the U.S. It’s also the most curable if caught early, but the prospect of a colonoscopy deters people from screening for it. The Cologuard test is far less invasive. It’s taken at home and mailed to a lab for DNA analysis.

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