Researchers developed a type of nanoparticle that can “eat debris” related to the plaques that cause heart attacks.

First-time marathon runners can add years to their lives and reap the health rewards of lower blood pressure and healthier arteries, even if they take on the challenge in mid-to-later life, research showed.

Many patients with severe but stable heart disease who routinely undergo invasive procedures to clear and prop open clogged arteries would do as well by just taking medications and making lifestyle changes, U.S. researchers reported.

Pfizer’s IV Revatio, when added to inhaled nitric oxide, failed to meet the primary efficacy endpoint in treating newborns with persistent pulmonary hypertension in a Phase III study.