Regular exercise strengthens the heart muscle and makes the body more efficient at pulling oxygen out of the blood. It also ...

They can keep you up or start during sleep ... you may need treatments to correct your heart rhythm. Treatment may involve electrical therapies to change heart activity, known as cardioversion ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person's risk of stroke, heart failure and even ...

Newsday spoke with Long Island doctors about common hazards and how to keep your New Year’s holiday ... emergency departments with an irregular heart rhythm known as "holiday heart syndrome." ...