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 ...

Millions of people live with atrial fibrillation, a racing, uneven heartbeat that can leave you exhausted and scared. Yet it has been at least 30 years since a new drug for this common rhythm problem ...

Adding the Heart’s Own Immune Cells The latest leap came when osteopathic medicine physician scientist student Colin O’Hern added immune cells called macrophages to the organoids. In a developing ...