Resting Heart Rate and Lifespan In a study published in the journal Open Heart, scientists analyzed 798 men living in the Swedish city of Gothenburg who were born in 1943. Middle-aged and older Swedish men with a resting heart rate of 75 beats per minute had a...

Understand how your heart works to help you get the best workout. Our heart has a pretty big job to do. Its duty is to pump blood around our entire body, constantly. It sends blood to the tips of your toes, your stomach for digestion, and to your brain to function....

Definition: Premature beats are a common kind of heart arrhythmia, which are initiated by ectopic pacemakers. It can be divided into premature atrial contractions (PACs), premature ventricular contractions (PVCs) and premature node contractions according to its...