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 ...

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 ...

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 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 ...

A huge study shows two popular diabetes drugs also protect the heart. Both lower the risk of heart attack and stroke in real patients.

Intense emotional pain can trigger broken heart syndrome, a condition that weakens the heart muscle. It mimics heart attack ...

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 ...