It’s a condition that can make your heart race and put you at risk for stroke. But for some patients, medication can’t control atrial fibrillation. See how two top surgeons are teaming up to offer a ...

Heart palpitations can be harmless if they are brief and infrequent. But it’s important to have an erratic heart rhythm checked out by a doctor because atrial fibrillation, or AFib—marked by rapid, ...

Running has so many health benefits, it’s counterintuitive to consider any negative effects endurance training may have on the body. However, research suggests that some runners may be at higher risk ...