Cardiology

Babies with rare genetic disorders have chance for longer lives

The enormity of the first U.S. adult heart transplant

It’s not just for gene therapy

CRISPR is a revolutionary gene-editing tool, but it’s not without risk

Caution surrounds the use of animals to solve donor shortages

Using heart patients' own tissue to repair damaged valves

A health-care revolution in the making

Analyzing the breath of critically ill children at warp speed

Helping chronically ill kids make the jump to adult care