Too much time in front of the tube can be harmful for children.
Find out what a Chicago-based study discovered.
Learn more about what cardiac electrophysiologists do.
Free heart tests are saving the lives of many teens.
Die-hard fan misses concert after heart transplant, but now she’s on the road to recovery.
What happens after having a heart attack is as crucial as emergency treatment, survivors say.
Learn more about the causes and treatments for this condition.