The heart is the hardest-working muscle in the body, beating constantly no matter what the body's energy reserves look like.

A new lab-grown material has revealed that some of the effects of aging in the heart may be slowed and even reversed. The discovery could open the door to therapies that rejuvenate the heart by ...

Are there Neurons in the Heart? For decades, scientists believed the heart functioned purely as a muscle, rhythmically beating in response to signals from the autonomic nervous system. However, new ...

Assistant Professor Jennifer Young (right) and PhD student Avery Rui Sun (left), who are from the College of Design and Engineering at the National University of Singapore, image heart cells (orange) ...

New research from Karolinska Institutet and Columbia University shows that the heart has a mini-brain – its own nervous system that controls the heartbeat. A better understanding of this system, which ...

While everybody’s heart has an absolute chonological age (as old as that person is), hearts also have a theoretical ‘biological’ age1 that is based on how the heart functions. So someone who is 50 but ...

Ventricular tachycardia, or V-tach (VT), and supraventricular tachycardia (SVT) are two types of tachycardia. The term “tachycardia” refers to a heart rate of more than 100 beats per minute. The key ...