Upon uncovering that inadequate blood flow can be a more imminent, life-threatening problem than aortic rupture for some patients, doctors emerge with a new procedural method.

Forty percent of people who develop venous thromboembolism don’t know what caused it. New research in mice further explores inflammation’s role.

As supply problems for the key element loom, a study of a recent shortage suggests patients will be more likely to receive riskier and more expensive tests.