blood test

Health

Testing for lead in kids' bones reveals evidence of long-term damage a blood test might miss

Rebecca Thiele

While none of the kids had blood lead levels high enough to trigger the state to take action, they did have high levels in their bones.
Health

A simple blood test can detect colorectal cancer early, study finds

NPR

At a time when colorectal cancer is rising, researchers say a blood test can detect 83% of people with the disease. If the FDA approves it the test would be another screening tool for early detection.