Add Yahoo as a preferred source to see more of our stories on Google. Michigan State University scientists have built tiny beating heart organoids that can be driven into atrial fibrillation with ...

Ray J is not talking like a man who thinks he has endless time left. The singer and reality star says years of heavy drinking and drug use have left his heart working at only a fraction of its ...

Scientists in Canada have developed a three-dimensional "heart-on-a-chip" that could mark a major step forward in tackling cardiovascular disease, the world's leading cause of death. Researchers from ...