GRAND RAPIDS, Mich — February is American Heart Month. One in about 22 Americans are affected by atrial fibrillation (AFib). It's an irregular heart rhythm. When the beating in the upper chambers of ...

In A Nutshell Men in their 50s who slept less were significantly more likely to have atrial fibrillation (AFib), a common and serious heart rhythm disorder. Every additional minute of nightly sleep ...

Atrial fibrillation diagnosed in midlife is linked to a 21% increased risk of dementia at any age and a 36% higher risk of early-onset dementia, according to new research presented at a European ...

John Lock was born with his heart on the opposite side of his chest. It was never an issue until he developed atrial fibrillation — a common heart condition that put his life at risk and created a ...