More than two months ago, sisters Ann and Nancy Wilson of the American rock band Heart performed at the 2026 Annual Grammy ...

For years, scientists have known that the heart has its own network of nerves, the intrinsic cardiac nervous system (ICNS), ...

Heart disease often develops gradually, and many early symptoms are easy to dismiss. Recognizing the warning signs could help ...

The heart is a complex organ that pumps blood throughout the body. It sits in the chest, slightly left of center, behind the breastbone, and between the lungs. A heart that is not healthy does not ...

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 ...