Two studies led by researchers at the Broad Institute of MIT and Harvard and Mass General Brigham have greatly expanded the ...

AFib causes your heart to beat abnormally, which is a type of arrhythmia, but there are treatments that can help. Atrial fibrillation (AFib) is a problem with your heart's electrical activity.

Arvind Sridhar, University of Illinois Chicago (THE CONVERSATION) Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure and even ...