A longtime blood test that measures the likelihood of a cardiac event has become more sensitive and more precise. Why doctors and patients should be cautiously optimistic.

Hundreds of thousands of hospital patients get a pricey genetic test. But it’s often unnecessary, a team of U-M clinicians says.

Global health funding helps get more than 300 “essential medicines” to developing nations. A group of experts compiled a parallel list of tests it says could help doctors best use these medicines to improve health worldwide.