Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

For years, scientists have known that the heart has its own network of nerves, the intrinsic cardiac nervous system (ICNS), sometimes called its "little brain." Exactly how it functions has remained ...

Learn how even subtle declines in heart function may affect the brain years later, potentially increasing the risk of memory problems and cognitive decline. The heart and brain may be more strongly ...