New colon cancer blood test receives FDA approval as possible alternative to colonoscopy

Doctors say the test works by detecting DNA in the blood that is left behind by cancerous tumors in the colon. Doctors say the test works by detecting DNA in the blood that is left behind by cancerous tumors in the colon. According to the coalition, nearly 50 million Americans go unscreened for colon cancer over fears of getting a colonoscopy. "Some people don't like the test and some people don’t like the prep that is involved. This new test could help us close that gap of people who refuse...