A Silicon Valley engineer cracked the code to find signs of colon cancer in your blood

Guardant's liquid biopsy only requires a few vials of blood. Can it really prevent cancer?

No crap. Screening for colon cancer doesn't need a colonoscopy, stool-based test | Opinion

Thousands in KY go unscreened for colon cancer because they lack access or don't want colonoscopies or stool-based tests, but ...