Screening for the second leading cause of cancer deaths just got a bit easier. The U.S. Food and Drug Administration (FDA) announced the approval of a new blood test for colorectal cancer (CRC).

Colon cancer is the second-deadliest cancer in the US, partly due to low screening rates. New and emerging screening tools, like blood and breath tests, may offer alternatives to in-office screenings.

The Food and Drug Administration on Monday approved Guardant Health’s blood test, called Shield, to screen for colon cancer. The test isn't meant to replace colonoscopies, but is generating enthusiasm ...