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 ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands ...

While COVID-19’s effects on the lungs and respiratory system are well known, there is growing research suggesting that the virus is also affecting the heart, with potentially lasting effects. In a ...

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 ...

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 ...

Heart damage occurs when substances or medical conditions harm heart tissue. Signs of heart damage from drugs may include chest pain, irregular heartbeat, and cough. Substances can affect the cells of ...

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) ...

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 ...