Atrial fibrillation (afib) before age 70 was tied to a 21 percent higher chance of cognitive impairment, a recent study found ...

Millions of people around the world live with cardiac arrhythmias. Only in Spain, it is estimated that more than one million citizens suffer from them.

Atrial fibrillation (or "AFib"), which causes an irregular heart rhythm, affects far fewer Americans—recent estimates put it ...