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 ...

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 ...

Researchers have created over 3,800 anatomically accurate digital hearts to investigate how age, sex and lifestyle factors influence heart disease and electrical function. For the first time, ...

Your kidneys and heart are closely connected, and CKD can increase your risk of heart issues. Learn how to notice signs of ...

Heart disease is the leading cause of death for people across the world. Seeing a cardiologist can make all the difference.

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) ...

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 ...

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) ...

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 ...