New research shows that bystander CPR can substantially improve a person's odds of surviving a cardiac arrest while avoiding ...

The American Heart Association and the American Academy of Pediatrics update recommendations for untrained lay rescuers and trained rescuers resuscitating adults and children who have drowned.

Adding an extra hour every week of physical activity may lower the chance of developing the most common type of irregular heartbeat (arrythmia) by 11%, a study shows.