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 ...

Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands for oxygen and nutrients. Traditionally, scientists have attributed this ...

The heart has long been thought to be controlled solely by the autonomic nervous system, which transmits signals from the brain. The heart's neural network, which is embedded in the superficial layers ...

Please provide your email address to receive an email when new articles are posted on . Stem cells cultured aboard the International Space Station were evaluated to identify changes to cardiac ...

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 ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

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

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...

Heart failure is the end-stage of many heart diseases, including and most commonly, heart attack (myocardial infarction). Acute myocardial infarction (MI) causes inflammation and scarring (fibrosis) ...

The procedure used to treat arrhythmias typically allows for a short recovery time, but precautions are necessary to preserve healthy heart function. Heart ablation creates little scars on heart ...