July 28, 2009 10:16 am Change of Heart For the almost 9,000 Americans waiting for a heart transplant, the chance of ever getting a new heart can be small. But now a new artificial heart is giving heart failure patients more time to live. Local 2:54 ‘Healthy moms equal healthy babies': Children's National offers maternal health care 2:14 Opioid crisis: National drug take back day on Saturday 2:55 Concussion treatment: Returning to school and limiting screen time may help, study finds 2:39 What to know about ADHD medication and pregnancy 2:08 How to pick the best running shoes for outdoor exercise